I would appreciate your reply in this week.

如能在本周得到你的回复，我将非常感激。

youdao

Your promptly reply will be highly appreciate.

如迅回复我将不胜感激

youdao

We are giving you the first chance in view of your previous order, but we should appreciate a prompt reply so that we can put the offer out in the event of your not being interested.

考虑到你方以前的订单，我们给你方首选的机会，但是我们希望你方迅速答复以便万一你方没有兴趣，我们可以向别的客户普遍发盘。

youdao