A student passport is valid in accordance with the length of their programmes.

学生护照有效期与他们学时致。

Each renewal is good for ten more years.

每次继续注册有效期为10年。

Because this exam gives your employer better understanding of your ability, and Cambridge exams don't have an expiration date so as soon as you get your result, it will stay with you forever.

因为这个考试能让雇主更加了解能力，而且剑桥英检没有有效期，只要拿考试成绩，成绩永久有效。

The European Union has decided to keep sanction in place against Syria for another three months.

欧盟决定将针对叙利亚制裁措施有效期延长3个月。

How long is the validity term of insurance responsibility?

保险责任有效期是多少？

I hope I may postpone the date of my passport.

我想延长护照有效期。

The additionality of a project, the certainty with which you know that carbon will be avoided or removed, the duration of time over which your investment will remain valid.

项目是否有减排效果，投资人是否对碳抵消或碳移除抱有信心，投资有效期。

If you have seed packets, she suggests checking their expiration date.

如果有种子包，她建议检查它们有效期。

The firm's patents expire in 2015, and technology has moved on.

该公司专利权有效期截止2015年，而那时，生物技术早已有极大进步。

LMVH and Kering said their new agreement would shorten that requirement to six months.

路威酩轩集团和开云集团指出，新协议将健康证明有效期缩短至6个月。

The deal was reached at the G20 summit and is valid for three months.

该协议在G20峰会上达成 有效期为三个月。

Expiration dates are what we know to be safe and effective.

药物有效期是我们已知安全和有效时间范围。

Around the same amount support the extension of time limits for legal action.

而支持延长讼诉有效期民众约占同样比例。

An H-4 visa is good for the same length of time as the H-1B visa.

H-4签证有效期跟H-1B签证相同。

And he said he'd lengthened the government social distancing guidelines until April 30th.

他说他已将政府保持社交距离指南有效期延长至4月30日。

The agreement will be good for five years and involved 2,000 Russian peacekeepers.

这份协议有效期为五年，将部署2000名俄罗斯维和人员。

At the time, the city gave the companies a contract that lasts until September.

当时，市政府给了这些公司份有效期 9 月合同。

The document will enter force on February 1 and be valid until July 1st, 2023.

该文件将于 2 月 1 日生效，有效期至 2023 年 7 月 1 日。

The agreement is valid for three years and can be renewed upon mutual consent.

协议有效期三年，经双方同意可续签。

The initiative, which was initially valid for 120 days, has been extended several times.

该倡议最初有效期为 120 天，现已多次延长。