Resources are finite, and the best argument for winning new funding for a cause is proof that previous funds have been spent wisely.

资源是有限的，之前的资金花费取得的成效就是启动新资金用于这项事业的最好证明。

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The Japanese firm unveiled a new 20-inch (51cm) Android-powered device which it said was "splash-proof" and thinner than its previous models.

BBC: Sony unveils new touchscreen computers at IFA trade show

Curiously, the previous-generation product wasn't rain-proof, but that's been resolved now -- a new water- and dust-resistant housing is designed to let water flow through the eyepieces without accumulation.

ENGADGET

" Bowersox's previous acting roles include a 2011 appearance on ABC's "Burden of Proof.

NPR: Crystal Bowersox Of 'American Idol' Eyes Broadway