back-letter

基本解释

If the company doesn't respond in two weeks, call back or write a follow-up letter.
如果公刷峤周内没有反应，打个电话或再写封信过去。
A few weeks later, she received a 7-page letter asking if she wanted the egg back or if she was going to abandon rights to it, the Star reported.
几个星期后，她收到了一封7页的信问道她是否还要那些鸡蛋或是她选择放弃她的这项权利，星报报道
Love love left to the right story: a anonymous letter brought back to former Ji-hwan two love.
向左爱向右爱剧情：一封封匿名信勾起志焕对昔日两位好友的思念。

He sent me a thank-you letter back.
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And the second, are you committed to back and support your letter on why Turkey -- because on the record, again, Turkish official today stated if this happens again Turkey is going to take steps to respond to that.
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On Thursday, the AFL-CIO sent a letter to House members saying that it had eased back on its previous criticism that the bill could harm manufacturing jobs, based on discussions with the bill's sponsors.
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