省时的英文：
timesaving

Time-saving commodities
省时商品

Save on time and money by shopping at the supermarket
到超级市场购物省时省钱

Semi-finished dishes, time-saving commodities and glad tidings for those who go to work regularly.
半成品菜肴，真正省时商品，上班族的福音。

This machine is a real time-saver.
这部机器是一部名副其实的省时装置。

It will take far less time to machine the cuffs than to sew them by hand.
用缝纫机缝制袖口比手工做省时得多。

Microwave is a time-saving cooker.
微波炉是一种节约时间的厨具。