The issues are broad and complex.

问题是广泛而复杂的。

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Governance, risk management and compliance platforms take a broad and complex series of business tasks and whittle them down to a central point of focus for the enterprise.

治理、风险管理及法规遵从平台的工作是将一系列广泛而复杂的企业任务从面化简为点。

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This topic is broad and can be complex.

这个话题很广泛，并且可能很复杂。

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Reagan in the 1960s became the Election Day champion of a broad and complex movement that had been building since the 1930s, a challenge to the politics of the New Deal and all that came after.

NPR: Reagan Sequel? Hard Act for Thompson to Follow

One is that both countries are so big and so complex that at times broad-brush simplification of their histories and policies veers into distortion.

ECONOMIST: The giant neighbours are more rivals than partners

Commodities were in focus once again, as copper and crude-oil prices fell sharply as investors dumped assets across the commodity complex due to broad-based risk aversion and lingering concerns over growth in China.

WSJ: Asian Shares Fall as Commodities Slide