介绍:
It's up to..."由什么什么决定"“取决于什么”
Do you want to eat a Western or Chinese meal?It's up to you.
你想吃西餐还是中餐？由你来决定。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
It's not up to you to tell me how to do my job.
用不着你来告诉我怎么样做我自己的工作。
western adj.西方的；欧美的
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