两串钥匙是two set of keys还是two sets of keys
问题描述：
两串钥匙是two set of keys还是two sets of keys
答
two set of keys是一套钥匙
two sets of keys是两把钥匙
我认为应该是two keys，O(∩_∩)O谢谢
答
Two bunches of keys
答
two sets of keys set和key 都是可数名词