I-2:in hand 可用的
A:Did you buy the dictionary?
A:你买了这本字典了吗?
B:No. I didn't.
B:没有,我没买。
A:Why?
A:为什么?
B:Because I happened not to have enough money in hand at that time.
B:因为那时我手头上碰巧没有那么多钱。
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