悲傷鋼琴鍵
The ivory trade is the commercial trade of the ivory tusks of animals, particularly of Asian and African elephants.
象牙交易是以亞洲象與非洲象的長牙為主的商業貿易行為。
commercial(adj.)商業相關的tusk(n.)動物的長牙
The white color of ivory has attracted people to use it as a material for various items, including furniture, brush handles, and decorative objects.
象牙白的顏色吸引許多人將之用作製造家具、刷柄及裝飾品的材料。
attract(v.)吸引material(n.)材料
Ivory has been traded for hundreds of years, causing the number of elephants to be in rapid decline.
象牙交易已行之有年，而這也造成大象的數量銳減。
cause sth. to=導致某事…be in decline=處於退化或走下坡的狀態
Africa’s elephant population fell from 26 million elephants in 1800 to fewer than one million today.
非洲象的數量從1800年的2,600萬頭，減至如今不到100萬頭。
population(n.)人口
As a result, restrictions and bans on ivory have been placed, and industries have found ivory substitutions for their products.
為此，政府實施象牙管制與禁令，業界也找到了替代象牙的材料，
restriction(n.)管制;限制ban(n.)禁令substitution(n.)替代方案;替代品
For example, white piano keys were originally made using ivory, but the piano industry eventually replaced ivory with other materials such as plastic.
例如鋼琴的白色琴鍵原本是用象牙製造的，但後來改以塑膠等材料取代象牙。
replace(v.)取代;替代
However, despite the efforts to stop the killing of elephants for their tusks, the high demand for ivory has kept the trade alive.
然而，儘管各方試圖禁止獵殺大象，但象牙的高需求量致使象牙交易難以遏止。
demand(n.)需求(量)alive(adj.)活著的;仍然存在的
No matter what policies there are against the ivory trade, as long as there is a demand, there will always be a supply.
無論政府實施什麼政策禁止象牙交易，只要有需求就有供給。
policy(n.)政策supply(n.)供給(量)
To save the elephant species, both suppliers and consumers must be willing to put an end to the trade.
為了拯救大象，供應端與消費者都得杜絕象牙交易。
put an end to sth.=終結某事;為某事劃下句點