兑回有效期为自兑换之日起6个月内。

Re-conversion shall be effected within 6 months since the day of the initial conversion.

youdao

很高兴通知您，我们的回样将于本周末用特快专递给您，请尽快确认，以便我们开始大批生产。 付款方式为 1O0%即期，保兑，不可撤消信用证。

Wed like to inform you that our countersample will be sent to you by DHL by the endof this week and please confirm it ASAP sothat we can start our mass production.

youdao

外汇市场的交易行情可谓波涛汹涌，其中美元兑日元从78.00大幅飙升至78.75，之后又因为当前的利好原因回调至77.90。

The choppy trading was seen across FX, with the USDJPY jumping from 78.00 to 78.75 then retracing down to 77.90 for no good reason.

youdao