1. 日久耗损：water stain 水渍 | wear and tear 日久耗损 | weekly reports 周报
2. 消耗;磨损：wayleave 通行权 | wear and tear 消耗;磨损 | wear pad 垫磨片
3. 磨损,消耗：83. play it by ear 随机应变 | 84. wear and tear 磨损,消耗 | 85. come what may 无论有何变化,无论如何
1. (正常的)磨损，损耗
Wear and tear is the damage or change that is caused to something when it is being used normally.
e.g. ...the problem of wear and tear on the equipment in the harsh desert conditions.
恶劣的沙漠环境下设备的老化问题