Baby boys do not seem to notice the difference in the size of the ball, but girls immediately become excited and begin to make noises that sound like language.

男婴似乎没有注意到球的大小的不同，但女婴立即变得兴奋，并开始发出听起来像是语言的声音。

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The hope is that they will barely notice the difference in take-home pay but that a higher contribution rate (perhaps 10-15% in total) will in due course allow them to earn a decent pension.

人们希望工人们几乎不能发现到手收入的差别，而是发现这个更高贡献率(总共大约有10 - 15%)能及时的让他们得到一份体面的退休金。

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But the driver will not notice the difference.

但是司机并不在乎其间的区别。

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The global economy is recovering, but not fast enough for most people to notice the difference.

BBC: IMF looks ahead

Granted, we doubt casual observers will notice the difference, but when closely viewing the two side by side, we could see more pixels on the older device.

ENGADGET: Samsung Galaxy Note II for T-Mobile review Mobile

This sounds miraculous, and you will indeed notice and marvel at the difference, but only if you happen to be a snowy owl who likes watching voles from a hundred and fifty yards.

NEWYORKER: Ring Cycle