省得的英文：
so as to save

参考例句：

Write down the address before you forget it.
把地址写下来，省得忘了。

A brush with a long handle will save you from having to bend down so far to clean the floor.
长柄刷将省得你弯腰驼背去清扫地板了。

Pretending to speak broken English as you dragged your valise, porter threepence, across the slimy pier at Newhaven
你假装把英语讲得很蹩脚，沿着纽黑文那泥泞的码头，抱着自己的旅行箱走去，省得花三便士雇脚夫。

save是什么意思：
v. 挽救；储蓄；保存；节省；救球；存盘
n. 救球，救援
prep. 除...外

Saving is getting
节约等于收入

Save the macro.
保存这个宏。

Her savings were in the Post Office Savings Bank.
她的钱存在邮政储蓄银行里。

My savings amount to $2001.
我的储蓄共达2000 美元。

A stitch in time save nine.
一针及时省九针。