Short sellers bet on share prices going down rather than up and it is said that the pressure from a large number of them can push a stock into an unstoppable downward spiral.

所谓的股票卖空者就是那些下注股票下跌的人，据说大量的卖空者产生的压力可以迫使一只股票进入无法停息的螺旋下降。

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These films can be used to make a new type of loudspeaker that works by heating and cooling the air, rather than bouncing up and down to vibrate the air directly.

这样制成的薄膜可以被用来制造一种新型扩音器，这种扩音器通过加热和冷却空气工作，而不再是直接通过往复运动使空气产生振动效果。

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Indigenous tribes in many parts of the world discovered that the best way of disposing the dead was to put them up high, rather than down below.

在世界许多地方的土著部落中发现，处理死者最好的方式是把他们往高处放，而不是埋入坟墓中。

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There was a new effort to build wealth from the bottom up, rather than from the top down.

VOA: special.2011.03.24

That is the way that fault operates as well." In other cases, the plates may move up and down, rather than from side to side.

VOA: standard.2010.01.13

The clocks that count down rather than up and the use of penalty kicks to decide regular season matches may be gone, but MLS still insists on using a draft to allocate a good number of domestic players amongst its teams and a playoff system to decide its eventual champion.

FORBES: How the MLS Playoff Format Punishes Ambitious Teams

But these electronic platforms are limited in that they have been systematically built on communicating information down rather than information up.

FORBES: NFL Experiments With Fan-Controlled In-Stadium Technology

Unemployment is still way too high, and there's actually evidence that this quarter of the economy is actually slowing down rather than speeding up.

NPR: Housing Market Recovers Though Economy Lags Behind