A child's ability to become deeply absorbed in something, and derive intense pleasure from that absorption, is something adults spend the rest of their lives trying to return to.

孩子能够全神贯注于某件事，并从中获得强烈的快乐，这是成年人终生都想要重新获得的一种能力。

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Being selfless. The ability to do something without the expectation of getting anything in return.

大公无私，就是尽力去做一些事情，而不期待任何回报。

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One prominent study found that immediate ice therapy "resulted in earlier return to activity, as defined by ability to walk, climb stairs, run and jump without pain."

一项重要的研究发现了快速的冷敷治疗会让病人更早的恢复活动，明确的说就是没有任何疼痛的行走，爬楼梯，跑跳。

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D-A-V-I-D Well, if I've got a five-letter word like D-A-V-I-D, well, that's like five bytes and yet we only have the ability thus far in this class to return one thing at a time I can't return five bytes to you, but wait a minute, those bytes by nature of a computer are just stored in RAM.

好的，如果有5个字母的单词，如，那是5个字节,我们只能返回一个东西,而不能返回5个字节，等一下，这些字节被计算机本能地,存储在内存中。

哈佛公开课 - 计算机科学课程节选

By devising compounds that bind to and inactivate these proteins, drug researchers hope to restore nerve cells' natural ability to return after an injury.

FORBES: To Walk Again

The ability of American companies steadily to improve their return on equity had much to do with their ability to raise other kinds of capital cheaply, and only when necessary.

ECONOMIST: Problems in America's most efficient market for money

Commodore seeks to return that passion and enhance the ability to learn and develop skills in programming, computational media, mathematics, the arts and many other fields, to the mainstream and to the main streets across the globe.

ENGADGET: Commodore USA goes Extreme, stuffs a 2.2GHz quad-core i7 into its C64x