Often uncovering these rules is a complex process.

通常，发现这些规律是个极为复杂的过程。

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But it's a complex process that involves a series of steps.

不过它是一个复杂的过程，涉及一系列步骤。

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It may not be a complex process, but it does take hard work.

这未必是一个复杂的过程，但确实需要付出努力。

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U.S.officials have acknowledged early on that bringing the Israelis and Palestinians back to negotiations will be a long and complex process.

VOA: standard.2009.10.31

It decays into three pions, a complex process that takes more time to happen.

ECONOMIST: What��s the matter?

It turns out that building an excellent mobile mapping service is a complex process.

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However, a complex process for changing the allocation method made that unlikely, they said.

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