彩票收入用于体育和娱乐事业，以及充实国库。
The proceeds from the lottery go towards sports and recreation, as well as swelling the coffers of the government.
第三点益处则是，会有额外的收入流入国库。
The third stream of benefits is the extra revenue flowing into the treasury.
对于这两句话，我个人的理解是：亚洲的各中央银行，通过购买数量惊人的美国的国库券，在维持美国的经常项目赤字以及强势美元方面起到推波助澜的作用，他们当然也不希望看到美元走弱（一走弱他们手头所持的资产就会大幅缩水）。 后一句的extra revenue 我觉得翻成：“过多的收入”可能会好一点。
Asian central banks, which have helped sustain both the current-account deficit and the dollar by buying Treasury bonds in startlingly large quantities, have little interest in a weaker greenback.
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