当一件我们所视为的好事物受到威胁时，我们会忧虑、焦急。

Can you see when a good thing is threatened, you're worried, really worried.

youdao

TIM BAJARIN：“如果你真的观察一位高科技的领导者，如果他们的人生中有一件成功而风行一时的事物，他们便是真正的快乐。”

TIM BAJARIN: "if you actually look at a tech leader, they're really happy if they have one hit in their life."

youdao

明喻：当你将两件不同事物作对比时，把它们用“像似”、“如同”等词连接起来。

Similes: You make a comparison between two different things by using the words "like", "as".

youdao

Egypt being the best example, so that no longer was war possible, but the flip side of that is, there was also another thing that was impossible -- freedom.

埃及就是最好的例证,所以当和平年代到来时,其对立面必然显现,即总有另一件事物,变得难以实现,那就是自由

耶鲁公开课 - 古希腊历史简介课程节选