One percent of 50,000 bits are still 500 per wash.

每洗一次，5万块（牛仔布）的1%仍然有500。

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So, while a good wash with soap and water is still a great idea, overwashing might lead to some unpleasant symptoms, not to mention inflamed and unsightly hands.

因此，尽管用香皂洗手是很好的做法，可是，过多的清洁也许会导致一些令人不悦的症状，更不用说发炎难看的手了。

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"Sometimes the customer asks us to empty out the entire refrigerator, wash everything down, and then sort through their stuff and put anything that's still edible back in," Friedman says.

有时候，客户会要求把整个冰箱清空，把所有东西清洗一遍，然后整理他们的东西，把可以吃的东西放回去。

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But when and where if ever it will wash ashore is still in question, and scientists are still tracking how much is floating toward the West Coast.

MSN: When Will Japan's Tsunami Debris Hit North America?

Even as the President talks about what our next steps are in our response, obviously part of this will be highlighting the tremendous economic toll that has taken place -- as I said, even on places that didn't necessarily see a large amount of oil wash up, are still very much open for business.

WHITEHOUSE: Press Briefing

He said it was still sensible to wash because of microbial hazards.

BBC: Vegetables