🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
By having to sleep in the open, he gets far closer to the world of nature than most of us ever do.
由于被迫在露天睡觉，他比我们中许多人都离大自然近得多。