We also know that a long time without change or challenge can lead to boredom, and physical and mental strain.

我们也知道，长时间没有变化或缺乏挑战会导致无聊，造成身体和心理上的疲惫。

youdao

You should look for long time deltas, as these could indicate delays and lead to long response times and poor performance.

应该寻找比较长的时间差，这些情况可能表示存在延迟，会导致响应时间长且性能不佳。

youdao

Given the long lead time for technology development, research, development, and demonstration need to ramp up now.

鉴于技术开发需要较长的周期，现在就需要加大研发和示范力度。

youdao

And once lead gets into the soil, it stays a long time.

VOA: special.2009.06.09

In almost all cases, we will either have a long lead time or none at all.

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Research expenditures, for example, have a very long lead time.

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Harvard selecting a professor who has been active in promoting business ethics for a long time to lead its Business School then simply serves as tacit acknowledgment that change is coming.

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