许可证的有效期为三个月。

The permit runs for three months.

《牛津词典》

回程票有效期还有三个月。

The return ticket is good for another three months.

youdao

季票有效期为三个月。

The season ticket is available for three months.

youdao

选择1：对于2009年4月13日（星期一）到4月19日（星期日）的航班，如果旅客在有效期内取消飞往曼谷或由曼谷出发的航班，我们将提供电子代金券，有限期为三个月。

Option 1: For flights from April 13 (Monday) to April 19 (Sunday), 2009, we offer a credit shell, valid for 3 months - if guests cancel their flights to and from Bangkok during the valid dates.

youdao

该套餐有效期至协议签订之日起三个月。

The effective duration of this package is 3 months, beginning on the date of the agreement.

youdao

该账号有效期为三个月，仅作开发评估目的使用，且不应用于任何商业用途。

The account is only used to develop and assess, not for any commercial purpose.

youdao

该账号有效期为三个月，仅作开发评估目的使用，且不应用于任何商业用途。

The account is only used to develop and assess, not for any commercial purpose.

youdao