The reason A(that) B(many of homemakers) buy kitchen appliances (厨房用品) is C(that) they

学历类 厨房用品, 已帮助 人

The reason A(that) B(many of homemakers) buy kitchen appliances (厨房用品) is C(that) they want to do their tasks D(in a shorter length of time).

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热搜:a是b的充分条件,b是a的必要条件吗