臺灣籍旅美老師今天交給我們的句子是：

The tea trade was so lucrative that the world's fastest sailboat, the clipper ship, was born out of intense competition between Western trading companies. All were racing to bring their tea back to Europe first to maximize their profits.
茶葉貿易實在太好賺了，以至于當時世界上最快的船--快速帆船便是因應西方貿易的激烈競爭所產生。大家都急切地想要搶先將茶葉運回歐洲，以將利潤發揮到極致。

學習重點：

1.trade 貿易
trade (v.) 貿易

2.lucrative 有利可圖的
lucrative (adj.) 有利可圖的
lucre (n.) (貶)金錢、利潤

3.intense 強烈的
intense (adj.) 強烈的
intensify (v.) 加強、更激烈
tense (adj.) 拉緊的、緊繃的

4.competition 競爭、角逐
competition (n.) 競爭、角逐
competitive (adj.) 有競爭力的

5.profit 利潤、收益
profit (n.) 利潤、收益
profitable (adj.) 有利的