杭州交通信息网约克水系统中央空调:spare no effort to的effort要否加s？
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/29 11:17:05
spare no effort to的effort要否加s？
不加s:
spare no effort to do something:
to work as hard as possible to achieve something.
Emergency services have spared no effort to help people whose homes were destroyed by the tornadoes.
Related vocabulary: spare no expense
加了
这个绝对要加S。