draw upon使用方法
They also have more personal resource to draw upon in the future.
这里的短语动词我查字典使用方法是draw upon sth,但这里为何后面没跟宾语呢?
一样的结构:
They also have more personal resource to draw upon in the future.
They also have more work to do in the future.
They also have more information to rely on in the future.
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