Whatever is left over may be put into the refrigerator, where it will keep for 2-3 weeks.

所有吃剩下的东西都可以放进冰箱，可保鲜2至3周。

《柯林斯英汉双解大词典》

Similarly, a plant or animal cannot squander all its energy on growing a big body if none would be left over for reproduction, for this is the surest way to extinction.

同样，如果一种植物或动物没有留下任何可以繁殖的后代，它就不能把所有的能量浪费在使自己变得更强壮上，因为这是最可能走向灭绝的方式。

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Either way, if its roots are pulled up from out of the ground as the tree topples over, then there's usually a big hole, a pit left in the ground where the roots used to be.

无论是哪种原因，如果树倒在地上时树根从地下被拔起，那么地面通常会有个大洞，在原来树根所在地留下一个坑。

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In 1966 Kenneth Greisen, Vadim Kuzmin and Georgiy Zatsepin showed that high-energy charged particles (cosmic rays are mostly atomic nuclei, and thus positively charged) should be slowed by collisions with the photons of the cosmic microwave background (radiation left over from the Big Bang that permeates all space).

ECONOMIST: Cosmic rays: They came from outer space | The

It would be nice to be able to max out the 401(k) and still have money left over to get those 529 accounts going.

FORBES: Paying for College: Five Rules to Protect Your Retirement

Most famously, if one window was broken in a building and left unrepaired (his italics), soon all the other windows would be broken too, and criminal elements would take over.

ECONOMIST: James Q. Wilson