Efficacies
(efficacy 的复数) n. 功效, 效力\\n[医] 效能, 功效, 效验
🗣️ 情景例句
You sound like something's bothering you, Susan.
听起来好像你有什么心事， Susan？
Americans are hight mobile, and therefore may find it difficult to became deeply involued with other.
美国人的流动性，大，因此你会发现和他人深交很难。
However, this does not always happen.
然而，情况并不都是这样，