She had been saving every cent she could for months , but twenty dollars a week which was the total of their income . 几个月来，她尽可能地节省了每一分钱，可是从每周二十美元里这是他们的全部收入。
Recent trends have been towards the construction of progressively larger plants to increase savings in both capital and operating cost . 当前的趋势是建造规模不断增大的工厂以更多地节省基建费和运行费。
Many u.s. industries operate overtime during part of the year, then shut down for several months to save operating expenses . 许多美国工业在一年中一段时期超时间工作，然后就关门几个月以节省开工的开支。
As a rough guide it can be generally stated that for each 1p spent on an admixture then approximately 4-5p worth of cement can be saved . 作一个粗略的估计，一般说耗用每一磅外加剂，能节省约4-5磅水泥的价值。
The invention of all those machines by which labour is so much facilitated and abridged, seems to have been originally owing to the division of labour . 简化劳动和节省劳动的那些机械的发明，看来也是起因于分工。
The property of symmetry can also be used to save a part of the computational effort required for matrix inversion or for a solution of equations . 对称的特性也可用来节省矩阵求逆中或求解方程中所需要的一部分计算量。
It will save considerable machining time to use more than one tool in one machine to perform several machine operations either in sequence or simultaneously . 在一台机器上使用数种刀具来顺次或同时进行几项机器操作，将节省大量加工时间。
