And three years ago, the flu vaccine was only 19 percent effective.

三年之前，疫苗有效率只有19%。

The CDC says the vaccine is typically between 40 and 60 percent effective at that.

CDC表示，这种疫苗预防流感有效率通常有40%到60%。

Our efficient new machines are cheaper than old ones.

我们有效率新设备成本比旧便宜。

The treatment using a full dose for both was found to be 62 percent effective.

两次接种完整剂有效率为62%。

And certain techniques to make the process more efficient shaped the style of the cartoons.

让这过程更有效率特定方法则形塑了卡通样貌。

You know, we could be doing more efficient things.

你知道，我们可以做更有效率事情。

Plant roots are thus the most efficient systems known for underground exploration.

因根可说是地下勘探中最有效率系统。

Measles vaccines normally have an effectiveness rate of 85 percent.

麻疹疫苗有效率通常为85%。

Probabaly the most effective way of communicating an idea is through stories.

最有效率沟通方法大概就是通过故事。

Trials of a new COVID-19 vaccine have shown it's more than 89% effective against coronavirus.

一种新型新冠肺炎疫苗试验表明，它对冠状病毒有效率高于89%。

It is 78 percent effective among those younger than 60.

该疫苗对60岁以下人群有效率为78%。

Blue light is very efficient, so we have these tunable 24-bit LED lighting fixtures.

蓝光是很有效率，所以我们做出了可调节24位LED灯固定装置。

Vaccination, the study found, was 94 percent effective at stopping hospitalization.

该研究发现，疫苗阻止重症住院有效率为94%。

It was 98 percent effective at keeping kids out of the intensive care unit.

疫苗让儿童远离重症监护病房有效率为98%。

It is about 30 percent effective and requires four doses.

它有效率约为30%，需要四剂。

That's kind of a big spread in efficacy.

疫苗有效率跨度很大啊。

It does. Two shots are 97 percent effective at preventing measles.

确实如，两针疫苗预防麻疹有效率达 97%。

Both of them are more than 90 percent effective.

二者有效率都在90%以上。

It's designed to make you a more powerful, competent, thoughtful, and effective person.

它目是让你成为一个更强大、更有能力、考虑更周到、更有效率人。

Although we've evolved for a life on land, we've become remarkably efficient oceanic hunters.

尽管我们进化成为了适合陆地生存种，我们却成为了颇有效率海洋猎手。