economize 托福GRE

1.I have to economize where I can.

能节省的地方我都得节省。

2.He economized by using trams instead of taking a taxi every time he went to school.

他上学搭电车而不坐车, 以节省钱。

3.The artical detailedly reviews the adhibition of three both series hydrolyze technics in the furfural production and the merit of economize energy resources and increase production.

本文详细途述了叁双串联水解工艺在糠醛生产中的应用以及其节能、增产等优点。