thrifty

/ˈθrɪfti/ 90
If you say that someone is thrifty, you are praising them for saving money, not buying unnecessary things, and not wasting things. 节俭的; 节省的; 节约的

adjective [原级]节俭的,节约的;<古>(牲畜,植物)茁壮的,健康的

My mother taught me to be thrifty.
我母亲教会我生活要节俭(be a thrifty housewife.)

thrifty 出现在下面的课文中
Lesson 15 Fifty pence worth of trouble thrifty 形容词: 节俭的
Lesson 59 Collecting
单词造句:

adj. 节俭的,节约的

save on ... 节约save on water / electricity
economize on ... 节省We're going to have to economize from now on我们得从现在起节省开支。