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1·This special offer is valid until the end of the month.

这个特价优惠月底前有效。《牛津词典》

2·The ticket is valid until May.

这张票直到5月份有效。

3·This letter is valid until cancelled.

本保证书于取消前始终有效。

4·This guarantee is valid until day of , 20 .

本保函有效期至20 年月日止。

5·The coupon offer is valid until 31 July, 2007.

优惠券有效期由即日至2007年7月31日止。

6·The L/C remai valid until the 15th day after shipment.

信用证在装船淘宝怎么取消订单后15天内有效。

7·These checks are not valid until they are countersigned.

这些支票只有在副签后才有效。

8·Certificates are valid until being suspended or revoked.

在认证被缓期或被撤消之前，认证一直有效。

9·Traveler's check are not valid until they are countersigned.

旅行支票只有在背面签字之后才有效。

10·Traveler's check is not valid until they was countered sign.

旅行支票只有会签后才有效。