为避免发生误解，写还盘信时必须明确而谨慎。

A counter offer must be written very explicicitly and very carefully in order to avoid misunderstanding.

youdao

这又是一封简短的询盘信。要牢记询盘书信必须写得简短、具体、合理和中肯。

This is another short and simple letter of enquiry. Remember to keep your enquiry brief, specific, courteous and to the point.

youdao