Listening comprehension has been recognized not as a passive receptive skill but as an active complex cognitive process.

听力理解是一个主动的复杂的认知过程，而不是被动的接受技巧。

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We do also have more complex systems that are used for space heating and they fall into two categories, passive and active heating systems.

我们确实也有更复杂的系统用于空间供暖，它们分为两类，被动供暖系统和主动供暖系统。

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However, boys tended to play with more complex puzzles than girls, and the parents of boys provided more spatial language and were more active during puzzle play than parents of girls.

然而，男孩比女孩更倾向于玩复杂的谜题，而且男孩的父母在玩谜题时比女孩的父母提供更多的空间语言，也更活跃。

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Mr de la Haye said Mr Marsden also played an active role in leading complex investigations and was currently overseeing NHS investigations into the activities of Jimmy Savile.

BBC: Haut de la Garenne

In addition, active strategies are always more complex than a passive index fund strategy.

FORBES: Occam's Razor on Investing

Adapting her talents to the demand of her customers, Judi reshaped her class and incorporated jazz technique into easy-to-follow routines that focused more on getting students active and losing weight than on learning complex dance moves.

FORBES: Step 2 for a Successful Startup: Identify, Utilize, and Develop your Talents or Skills