例句:Inefficient use of irrigation water and poor management lead to water-logging andsalinization.
由于灌溉用水的使用效率低和管理差，导致渍水和盐碱化现象。

2.cut corner 偷工减料

例句:This machine is combination machine for cut and corner cut at the same time.
本机是同时用于裁剪和切角的综合机型。

3.care about 关心

例句:I don't care about the matter.
我对这事毫不介意。

4.scrap metal 破铜烂铁

例句:A lorry piled with scrap metal had shed its load.
一辆载满废金属的卡车掉货了。