It is not clear to us what you meant.( 3.11 )

　　It is not clear to us what you meant.

　　我们不清楚您到底是怎么想的

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　　今天的几个句子是有关反驳对方的：

　　1.The one point that concerned us (a little) was... 使我们担心的一点是……

　　2.We have become concerned with regards to the shipment schedule. 我们对装船的日程感到担心和挂念。