1.if you would make a man happy , do not add to his possessions but substract from his desires.
如果你想要一位男士幸福，无需增加他的财富，只需要减少他的欲望。
2.Differences in performance between coated tools explained through a separate consideration of substract and coating influences.
通过分别考虑基体和涂层的影响，阐明了涂层刀具之间性能的原因。
3.Their first device could add, *substract, multiply and pide.
他们发明的第一个设备重量为1千克，可以做加、减、乘、除的运算。