Nevertheless, one still speaks of the ecosystem when referring to a local association of animals and plants, usually without paying much attention to the energy aspects.

尽管如此，人们在提到当地动植物协会时仍然会提到生态系统，通常不太注意能源方面。

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A habit is the act of doing an action, over and over, usually without thought.

习惯通常是不假思索地一遍又一遍地重复做一个动作。

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Poultry foods are usually without taboos and can be consumed by a family in a single sitting.

禽类食品通常不会受到任何禁忌，可以由一家人在一餐内食用完。

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Also,because it is illegal to paint public and private property without permission, street artists usually work secretly.

VOA: special.2009.04.08

But he has new respect for the singer as news is coming out of Jackson's many charitable contributions, usually made without fanfare.

VOA: standard.2009.06.28

Usually without benefit of patents, these revolutionaries reorder how we work and what we consume.

FORBES: Magazine Article

Millions of people go online to find goods, check prices and make transactions usually without any problems.

ECONOMIST: Tiffany's lawsuit threatens eBay's eclectic market

The best part, as advertised, is the ability to comfortably access world-class sights, usually without busloads of other tourists.

FORBES: Photograph: Andre Fanthome (RAAS)