1. He has another, more novel theory to explain young people's thriftiness. 他还有其他更多理论来解释年轻人的节俭。
2. Competition to be held in ensuring the successful premise, thriftiness, savings. 在保证比赛圆满举行的前提下，勤俭节约，节省经费。
3. " Others are hooked on confessing their thriftiness: "I'm so glad you like the book I bought you. It was such a bargain! " 而另一些人则对自己”小气“纠缠不休：“你喜欢我买给你的书，我真高兴，这书买得真划算！”
英英解释
n.
1. frugality in the expenditure of money or resources
