The rate of increase in knowledge in orthodontics suggests that practitioners must make a lifetime commitment to improvement, knowledge acquisition and practice modification.

增幅在知识，在正畸表明，练习者必须作出一生的承诺改善，知识的获取和实践的修改。

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The figures represent a lump sum a person would need to receive out of the blue in order to make him or her as happy as marriage would over a lifetime.

这些数目代表一个人需要一下子得到这么多金钱才能获得和婚姻给他(她)一生所带来的同等幸福感。

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If you're sick of living life as a human punching bag, make some positive changes that will last a lifetime.

如果你厌倦了将生活作为一个人的出气筒，那么做出一些积极的改变，(而这改变)将会持续一生。

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I'm going to do this thing. So,that's why I got here." Robert Nephalama,who works at a bank near Johannesburg, wants to make the tournament a once-in-a-lifetime experience for the visitors as well.

VOA: standard.2010.03.26

Those who make a lifetime career there are few and often not the brightest.

FORBES: S&P's Hornet's Nest Problem

Mr Daniels reckons that for the few children whose parents actually get around to using the vouchers, it may make a lifetime of difference.

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"I have come to believe that if two people are prepared to make a lifetime commitment to love and care for each other in good times and in bad, the government shouldn't deny them the opportunity to get married, " he wrote in an op-ed in The Columbus Dispatch.

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