By competing with rodents for seeds, black ants help control rodent populations that pose a public health risk.

通过与啮齿动物争夺种子，黑蚂蚁有助于控制啮齿动物的数量，这些啮齿动物会对公众健康构成威胁。

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Fade to black. And then fade up: the player recovers control of their avatar, and can crawl out of the debris, only to see devastation, and die.

一片黑暗，接着音乐渐渐加强：玩家恢复控制他们的化身，并能爬出来的碎片，只看到灾难，死亡。

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Among other things, the gun Control Act of 1968 tried to restrict "Saturday Night Specials" -the cheap, easily available guns often used by urban (read, black) youth.

除此以外，《1968年枪支管制法》也试图对“周六晚间特别情况”做出限制，它们是城区(意为：黑人)青年通常不费周折就能得到的枪支。

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A horse-drawing carriage in snowfalls that cause tires stick out of control with drivers gently toddles the ground and makes a nice pattern of black and white. That's how it used to be done, because he's a myth maker.

比如一辆马车在雪地上前行，但车轮松动,使马车夫不得不在雪地里慢条斯理地行进,这样的黑白画面塑造了很好的形象,这是他以前的做法，因为他是个创造神话的人，他说。

麻省理工公开课 - 电影哲学课程节选

But he has to balance this against a political desire to promote black control of and access to services like electricity and telephones.

ECONOMIST: South Africa

Ms. ANDREA MALIK (Director, Town of Colton Black Fly Control Program): That's a black fly larva.

NPR: Waging a One-Woman War Against Black Flies

This week, Hollinger International's board launched a campaign, including the creation of a poison pill, to stop Lord Black selling control of the firm to the wealthy Barclay brothers.

ECONOMIST: A new use for the poison pill