Does the drug take long time to act?

药会很久才起作用吗？

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However, it would take long time to realize this objective because at present the criterion of home intelligent network has not been unified and many technology problems still exist.

然而，目前家庭智能化网络的标准尚未统一，许多技术问题还有待于进一步解决，因此家庭网络化目标的实现仍然需要长期不断的努力。

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But such fast trains would take a long time to put in place in the United States.

VOA: special.2011.02.11

The take-aways are that an equity bias is an absolutely sensible underpinning for investors with long time horizons but that diversification is important.

对于长期投资者来说,股权偏好的存在,是长期投资获利的重要基础,但是分散投资也很重要

耶鲁公开课 - 金融市场课程节选

As time increases, the angle increases and we can ask, "How long does it take for the particle to come back to the starting point?"

这个角度随着时间在增加,我们会问,"质点需要多长时间,才能转到起点"

耶鲁公开课 - 基础物理课程节选

Distributed-energy systems are developed piecemeal over a long period of time and often require investments that take a long time to yield meaningful returns.

FORBES: Magazine Article

It will take a long time for his family to get over what has happened here.

BBC: Chick Young's view

Hassan said he sees a promising pipeline, but developing new drugs can take a long time.

FORBES: Magazine Article