Theoria
[醫]學說
??? 情景例句
we are.
是的。
No matter what comes up, don't sound nervous.
不論發生什么事情，你也不要顯得緊張。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.
做廣告的人在力圖勸說我們買下這種產品或那種產品之前，已經仔細地研究了人的本性，并把人的弱點進行了分類。