由于我在用心思考如何回复你昨天的来信，很抱歉给你回信晚了。

Sorry for my late answer, for I put my mind in how to reply you from yesterday I got your response.

youdao

由于我在用心思考如何回复你昨天的来信，很抱歉给你回信晚了。

Sorry for my late answer, for I put my mind in how to reply you from yesterday I got your response.

youdao