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1·Unlike the song sparrow, which repeats one of its several song types in bouts before switching to another, the warbler continuously composes much longer and more variable songs without repetition.

北美歌雀在切换到另一种类型之前，会一声一声地重复其中的一种，与之不同的是，北美歌雀会连续地创作更长的、更多变的歌曲，而不会重复。

2·However, when I have been paid, no thought of return, the natural harvest more variable.

但是，当我一直在付出，不计较回报时，收获就自然变多了。

3·The heat input into the stratosphere is much more variable than we thought, says Lockwood.

“进入平流层的热量比我们想象中的要多变得多。”Lock wood说道。

4·The results showed that the leaf traits of herb were more variable than those of shrub and tree.

结果表明，草本植物的叶片性状比灌木和乔木变异大；

5·In contrast, chemical synapses are capable of more variable signaling and thus can produce more complex behaviors.

相反，化学突触具有制造出多变信号的能力，因此，它能制造出很多复杂的信号。

6·It suggest that a more variable indoor temperature, one that more closely mirrors temperatures outside, may be beneficial.

研究显示，更接近外界温度，即更加灵活的室内温度可能是有益的。

7·There is little doubt that Americans' incomes are more variable than they were a generation ago, but the story is a nuanced one.

毫无疑问，与上一代人相比，如今美国人的收入波动性更大。但是，这一说法非常微妙。

8·The fact that household saving rates have plunged in the past three decades does not suggest Americans are terrified by the spectre of more variable incomes.

过去三十年，家庭储蓄率骤降，这个事实并不能说明美国人被收入波动更大这一鬼怪所吓坏。

9·He therefore sees the rationale for separating ownership and management, since asset-light firms, having more variable costs, have more scope for efficiency gains.

他认为将酒店的运营管理和拥有权分离有其合理依据，因为在轻资产模式下，企业的运营成本更具弹性，因此也有更多的空间来提高效率，增加收益。

10·Pre-conditioning broil ers to heat stress to encourage better survival during transport, for example, could lead to more variable breast meat taste, appearance and texture.

举个例子， 为了更好地提高火鸡在运输途中的存活率所使用的热力温控烤箱 ，可能会让胸脯肉产生更多中变化的味道、外观以及口感。