The idea that I could be charged when I'm in credit makes me very angry.我的账户有结余时还可能要收费，想到这我就非常气愤。If there is any surplus, it will be divided equally.如果还有结余，那将会平均分配的。The increase in pay costs was more than offset by higher productivity.提高的生产率抵消了增加的工资成本后仍有结余。