??? 情景例句
because she's had to go to Chicago on a business trip and can't leave till tonight.
因為她得到芝加哥出差，而且要到今晚才能脫身。
Sick!
好惡心！
That's not allowed. Once you are in here, listen to your teacher.
那是不允許的。一旦進來了，你們要聽老師的話。