你的雙手是好幫手，但也是傳染病幕後黑手。Your hands do good deeds but they also spread germs.

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Date: 2013-11-10 22:28:11		你的雙手是好幫手，但也是傳染病幕後黑手。Your hands do good deeds but they also spread germs. Add to Reading List Source URL: www.chp.gov.hk Download Document from Source Website File Size: 511,83 KB Share Document on Facebook