Some historians will tell you Washington didn’t really need those glasses—he was acting. And it was very effective theater.

有历史学家会告诉你：华盛顿根本不需要那副眼镜——他只是演戏罢了，而且演得很成功。

youdao

Well, to improve the situation, I think the key point is to take some effective measures to make the hotel really stand out in this highly competitive market.

是的，为了改变这种情况，我认为重要的一点事采取一些有效的措施来让我们的酒店在激烈竞争的市场中真正的脱颖而出。

youdao

If the influence is limited, point-to-point promotion effect is not effective, and there will be some users to take attention to cancel the attention, really big enough merchants to obtain the reward?

如果影响力有限，点对点的促销效果也不一定有效，且还有一些用户采取关注获取利益再取消关注的方式，商家获取的回报是否真的足够大呢？

youdao

And we really do think that that's an effective way to tackle some of these issues.

WHITEHOUSE: Press Briefing

Some military experts say you would need something like 50, 000 troops to really be effective in this area.

NPR: What the U.S. Can Do to End Violence in Darfur