By training yourself to look on the bright side, you will gain more courage to face difficulties.

通过训练自己保持乐观的态度，你会获得更多的勇气以面对困难。

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But the Uruguayan leader, a doctor by training,lamented that Latin American governments are devoting growing resources to armaments rather than dealing with pressing social needs including health and education.

VOA: standard.2009.09.15

and that is a, physical, acting training created by Tadashi Suzuki in Japan.

那是一种由日本人铃木忠志发明的身体表演训练法。

成为演员之路 - SpeakingMax英语口语达人

The University of North Carolina School of Medicine conducted a study that shows that by training local birth attendants in a method promoted by the World Health Organization, the number of still births was reduced by about 30 percent.

VOA: standard.2010.05.11

At an obscure Russian startup, Alexander Yakunin, a theoretical physicist by training, is writing brilliant code.

FORBES: In Silicon Valley Talent War, Zombie Math Rules

Some of the best-known conspiracy authors are lawyers by training, but it is a wide-open field.

WSJ: JFK Assassination Conspiracy Theories Sell Lots of Books

Henrique Capriles, a lawyer by training, has enjoyed a meteoric rise through the political ranks.

BBC: Capriles in Caracas, 7 April 2013