For those who are not born with a silver spoon in their mouth, they can only change their social status through their own efforts.

对于那些不是含着银汤匙出生的人来说，他们只能通过自己的努力改变自己的社会地位。

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Mostly through their own efforts.

大多数是自力更生。

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This semester, you are through their own efforts, and achieved gratifying results.

本学期，你通过自己的努力，取得了可喜的成绩。

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And having recovered from a nasty banking crisis in the 1990s through their own efforts (albeit with a favourable tailwind from the world economy), Finns are hostile to bail-outs.

ECONOMIST: The euro crisis

"We want people to climb up through their own efforts, yes, but in order to climb up they need the ladder to be there in the first place, the family that nurtures them, the school that inspires them, the opportunities there for them, " he said.

BBC: Cameron speech: We are here to fight

Great leaders all believe, rightly or wrongly, that through the dint of their own efforts and those who are attracted to them almost anything in life can be accomplished and almost any challenge overcome.

FORBES: Eight Lessons from the Great Man (or Woman) School of Leadership