Butt the competition of man against man is not the simple process envisioned in biology.

但是人反对人的竞争不是象¡生物学中所想象的那种简单过程。

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Now that the inner edges of the left and right visible doorways butt up against each other, we no longer need to keep the left image in the front.

现在，左侧与右侧，可见“doorway”的边缘接在一起，我们再不需要将左边图像保持在上方。

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Butt now the scientists claim that the advantages of daily travel, such as higher pay or housing conditions, need to be weighed against the adverse health effects.

不过现在科学家指出，每天乘车相伴而来的好处，例如更高的薪水或更好的住房条件，需要与乘车对健康的不利影响进行权衡。

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Sometimes bringing about change is going to butt up against the status quo.

WHITEHOUSE: The White House

But although he discovered the cells in mouse embryos, human embryos have them too, and that is leading to trouble as the desires of researchers butt up against the fears of ethicists.

ECONOMIST: The 2007 Nobel science prizes

Meanwhile, former ECB chairman Lord MacLaurin told BBC Radio 5 live that England were right to consider legal action against Butt.

BBC: England demand full apology from PCB chairman Ijaz Butt