Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时,今天我很荣辛地向你们展示它。
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子,也由于我们注意清理污水和喷洒化学药品而被制服了。