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4
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蓝莓嘉人
A is cheaper than B
起名字哈烦躁
A has a lower price, less density and more time efficeinc comparing to B.
笑逍遥客
A takes less time and expense than B
多吃多漂亮哟
A is 30% less (或smaller) than B; that is, A is 70% of B.
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