Exostructure
外壳承载的结构
🗣️ 情景例句
We have a real hard-nosed boss.
我们老板真的很固执。
Do not sell the bear's skin before you have caught the bear.
熊未到手休卖皮（勿过早乐观）。
Yes, please. This is Bill here. Is that Mrs Read?
是的，劳驾了。我是比尔。你是里德夫人吗？