It mattered to Americans who claimed that distinction, as proved all too clear in 1908, when Jack Johnson, a black man, won the title.

1908年，一个黑人Jack Johnson赢得拳王头衔，再明白不过地证明了自己的强悍。但在美国人眼中这却是个大麻烦。

youdao

Although, as Earl Spencer proved at his sister Princess Diana's funeral, it is possible both to prepare every word and to act naturally.

尽管如此，正如厄尔·斯宾塞在他妹妹戴安娜王妃的葬礼上所证明的那样，准备好每句话并表现得自然是可能的。

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youdao

A foundling to start with,he would flourish later on as his powers waxed and his worth was proved, In the end each clan on the outlying coasts beyond the whale-road had to yield to him and begin to pay tribute.That was one good king.

VOA: special.2011.01.05

Austerity is the order of the day and it's not always popular as deadly riots in Greece recently proved.

VOA: standard.2010.06.16

As proved by the popularity of the corpse zombie, it's hard to know what will work until it's put in front of 1.6 million people per day, she said.

CNN: Need a garden zombie? SkyMall has it

The government's fear is that the banks would then just continue taking on more and more debt, until they became impossibly large to rescue - as proved the case in the Republic of Ireland or Iceland.

BBC: Q&A: Bank levy explained

What drives economic growth and prosperity is incentives for increased production, as Reaganomics proved.

FORBES: The GOP Jobs Plan Vs. Obama's