单词number-work
网络: 算术运算；数字运算
If there was a teacher they were much more likely to read books and do math or number work; without a teacher they would only play games.
如果能有老师的话，他们就能读书，学数学或算术，而没有了老师的话，他们只能玩游戏。
Ask for his or her home phone number, work number and even references and a background check if you"re still unsure.
向他（她）要家里和单位的电话号码。如果你还没把握，还应该向他（她）要证明材料并核实他（她）的背景。
The Problems and Improvement Methods for the Organization of Car Number Work in Marshalling Stations
编组站车号作业组织存在问题及改进方法