1/5的年輕人做日常的數(shù)學(xué)計(jì)算都費(fèi)勁。One in five young adults was struggling with everyday mathematics.克里斯托弗將管理日常的運(yùn)營(yíng)。Christopher will direct day-to-day operations.他以編寫書籍來(lái)增加日常的收入.He supplements his ordinary income by writing books....