When life arose, our ancestors made some choices. They went with the right-handed sugars, and the left-handed amino acids, a tradition still in effect.

在生命诞生之时，我们的祖先就作出了选择：糖右旋，氨基酸左旋，这个规律延续至今。

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In real life, some people are often troubled by obesity, try a variety of ways to lose weight, but the effect is limited, and some bounce rate is still high.

现实生活中，一些人常被肥胖困扰，尝试多种减肥方法，然而效果还是有限，有的反弹率还很高。

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But the law still, in effect, makes big firms take on people for life or not take them on at all.

ECONOMIST: Italy's government