虛虛實實，假作真時真亦假
Four decades ago, virtual reality (VR) and augmented reality (AR) were the future.
四十年前，虛擬實境（VR）和擴增實境（AR）被預測會是未來的主流。
Fast forward to the present day and they combine to create a 21st century passport into mixed reality (MR).
時至今日，虛擬實境和擴增實境已合併，讓人們得以進入21世紀的混合實境（MR）。
passport(n.)護照;獲取…的手段
While we are in a new era with the technological world immersed in virtual reality, many people have a thought that lingers: What are these realities? What is the difference between them?
當我們處在一個科技界沈浸在虛擬實境的時代， 許多人有一個揮之不去的想法：這些「實境」是什麼？它們之間有什麼差異？
be immersed in~沈浸於=be buried in~=be absorbed in~linger(v.)徘徊;揮之不去
Remember Pokemon GO that came out in 2016? It is a classic example of Augmented Reality (AR).
還記得2016年推出的Pokemon GO嗎？它是擴增實境（AR）的經典例子。
classic example經典的例子classical music古典音樂
AR is essentially a computer program that overlays virtual graphics on top of the real-life environment, while still continuing to allow the user to see the physical world.
擴增實境基本上是一個電腦程式，會將虛擬的圖像疊加在現實世界之上，同時使用者還是能夠看到現實世界。
overlay(v.)覆蓋、重疊=overlap
Both Apple and Google have highlighted AR in their most recent smartphone lines.
蘋果和谷歌近期推出的智慧型手機都標榜有擴增實境功能。
highlight(v.)強調;突顯=stress=emphasize
Different from AR, virtual reality (VR) is 100% computer generated.
和擴增實境不同，虛擬實境（VR）100％都是電腦生成。
generate(v.)產生;生成
VR is a computer technology that uses headsets to create realistic images, sounds and other sensations that simulate a user’s physical experience in an artificial, imaginary environment.
虛擬實境是使用頭戴裝置，在人工、虛構的環境中，創造出寫實的圖像、聲音或模擬使用者體感經驗的感覺。
headset(n.)頭戴裝置sensation(n.)感覺;感受simulate(v.)模擬、類比、模仿imaginary(adj.)想像中的;虛構的
The year 2017 has been an explosive year for VR headsets, from high-end systems such as Facebook’s Oculus Rift and HTC’s Vive to the cheaper options such as Samsung’s Gear VR and Google’s Daydream.
2017年是VR頭戴裝置快速發展的一年，陸續推出高端的系統如臉書的Oculus Rift和宏達電的Vive，也有比較便宜的選項如三星的Gear VR 和谷歌的Daydream。
explosive(adj.)爆炸的;蓬勃發展的high-end(adj.)高端的
Mixed reality (MR) is the result of bringing together VR and AR. Mixed reality puts people, places and objects from the physical and digital worlds in the same frame.
混合實境（MR）則是結合虛擬實境和擴增實境的產物， 將現實和數位世界中的人、地、物同時投射出來。
What it presents to the viewers is an experience that is indistinguishable from real life.
混合實境會讓觀眾有種分不清現實和虛擬的感受。
indistinguishable(adj.)難以區別的、難以分辨的=unintelligible
Microsoft and Magic Leap are the two kings in the MR race.
微軟和Magic Leap現在是混合實境競賽的龍頭。
race(n.)競賽;競爭
Microsoft has launched HoloLens, which enables users to interact with content “in the most natural ways possible”, whereas Magic Leap’s mysterious new headset Mixed-Reality Goggles is expected to be released to developers sometime this year.
微軟已推出HoloLens，讓使用者能夠「以最自然的方式」與內容互動，而Magic Leap神秘的新頭戴裝置Mixed Reality Goggles預期將在今年推出開發者版本。
interact with~與…互動
The secretive company Magic Leap, which made waves back in 2015 with a sizable investment from Google, is also working with Icelandic rock band Sigur Ros on an audiovisual undertaking called “tonandi”, which projects waveforms of the music into the physical space.
行事保密到家的Magic Leap曾在 2015年得到Google大量資金的挹注而引起話題，目前也正與冰島樂團Sigur Ros合作一項名為「音樂之靈」，把音樂的聲波投射在實體空間內的聲音影像計畫。
secretive(adj.)遮遮掩掩的;守口如瓶的make waves掀起波瀾sizable(adj.)大的;相當大的undertaking(n.)任務;工作project(n.)計畫;企劃(v.)投射