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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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