ｗｈａｔ ｓｉｚｅ与ｗｈｉｃｈ ｓｉｚｅ有什么区别？ 请详细回答
热心网友
what size, It means someone's asks you directly the number of size.which size, It means you could chose one or more from the size numbers given.
热心网友
告诉你：which size是那一个颜色，what size是什么颜色。ok？
热心网友
which size 已列出选择范围what size 未列出选择范围