It has to do its job very gradually.

必须要慢慢产生效果。

About 75 percent of professional development efforts fall on the floor.

大约75%职业发展培训都没有产生效果。

But he says the lack of openness about the process will make them ineffective.

但他说这一过程缺少开得其难以产生效果。

Strengthening capital controls could stanch the flow, but would take time to have an impact.

加强资本管制可能会遏制资本流动，但需要时间才能产生效果。

Professor Qualter says there is no evidence yet that any interventions have been effective.

夸特教授说，目前还没有证据表明任何干预措施已经产生效果。

Using signposting language like this can make a big difference!

这样应用指示语就会产生巨大效果。

Another complaint is that many of the offsets airlines can buy are ineffective.

另一个抱怨是，航空公司可购买许碳抵消都没有产生效果。

Governor Jerry Brown says the state needs more time to let rehabilitation programs work.

加州州长杰里·布朗表示，加州需要时间改造方案产生效果。

But that only works if each of us takes it seriously.

但这只有在我们每个人 都认真执行情况下才会产生效果。

But, and you know where I'm going with this, it takes time for this effect to happen.

但是，你知道我要说什么，这需要时间来产生效果。

So there wasn't a lot of time for it to really get off the ground and have an effect.

所以，该法并没有太时间取得进展并产生效果。

He says world leaders need to be strong enough to recognize when a policy isn't working.

他表示，世界领导人要足够强大才能意识到一项政策没有产生效果。

But creates the same effect. -But creates the same effect.

但是产生同样效果。-但是产生同样效果。

A romantic gesture of this magnitude is only effective if it is directed at the love of your life.

只有对着你此生挚爱进行浪漫表白才会产生效果。

To understand how that works, it helps to remember some things about light.

要想进一步了解它是如何产生效果，这就需要我们重新回忆一些有关光学知识。

Why this happens is still a mystery.

产生这种效果原因还是个谜。

But does simply hearing the music account for the effect?

但只听音乐就能产生这样效果吗？

How will that play out? How does this help specifically?

那要怎么实现？这种帮助如何产生具体效果？

Cosmic rays that hit the optic nerve create this effect.

宇宙射线撞击视觉神经会产生这种效果。

But it doesn't mention the effect of these boring classes.

但它没有提及这些无聊课堂产生效果。