有效

这药已证实是有效的。

It has been demonstrated that this drug is effective .

幽默是比暴力更有效的防御武器。

Humour is a more effective defence than violence .

这是另外一些与航空有关网页的有效链接。

Here are some live links to other aviation-related web pages .

本协议的有效期已过。

The period of validity of the agreement has expired .

她迅速有效地处理全部来往信件。

She deals with all the correspondence promptly and efficiently .

试试这种乳霜吧——对皮肤斑点挺有效。

Try this cream ─ it 's great for spots .

这个特价优惠月底前有效。

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

新税种的有效施行期限为五年。

There is a five-year sunset on the new tax .

此签证有效期为14天，可延期到一个月。

The visa is for 14 days , extendable to one month .

那旅馆的服务工作有效率而不夸张。

The service at the hotel is efficient and unobtrusive .

这酸奶的有效期到11月20日。

The expiration date on this yogurt was November 20 .

有些产品过了有效使用年限后是可以回收再利用的。

Some products can be recycled at the end of their useful life .

胆固醇含量不能有效地预示妇女心脏病。

Cholesterol level is not a strong predictor of heart disease in women .

反对党的声音被有效地压制了下去。

The voices of the opposition were effectively smothered .

你应该尽量更有效地分配你的时间。

You should try and organize your time better .

使用能有效滤掉紫外线的防晒霜。

Use a sun block that filters UVA effectively .

我们必须最有效地利用现有财力。

We must make the most efficient use of the available financial resources .

候选人必须善于有效地表达自己。

Candidates must be able to communicate effectively .

水不能有效阻挡太阳中更有害的射线。

Water is not an effective shield against the sun 's more harmful rays .

电视是一种有效的通信手段。

Television is an effective means of communication .

什么是阿司匹林中的有效成分？

What is the active ingredient in aspirin ?

合同条款有效。

The terms of the contract subsist .

许可证的有效期为三个月。

The permit runs for three months .

这个报价还有效吗？

Is the offer still open ?

难以相信的是，它确实有效。

Unbelievably it actually works .

政府坚持认为“关押有效”，并计划对暴力犯罪者实行更严厉的判刑政策。

The government insists that ' prison works ' and plans to introduce a tougher sentencing policy for people convicted of violent crime .

良好的客户关系需要做到礼貌、专业，并提供有效的回复。

Good customer relations require courtesy , professionalism and effective response .

除非能证明训练有效，否则就是白搭。

Training is worthless unless there is proof that it works .

我们这样的制度缺乏有效保护公民自由的条款。

A system like ours lacks adequate safeguards for civil liberties .

对于低收入工人来说，福利救济是唯一真正有效的保障措施。

Welfare is the only real safety net for low-income workers .