We can redecorate the room atlittleexpense, if we use this old paint.
我们要是用这种旧漆重新装饰这房间,就不用花多少钱了。
2
A little forward planning at the outset can save you a lot of expense.
一开始就为未来作点打算能节约很多开支。
《牛津词典》
3
At the expense of defining an additional interface and making the client code a little more verbose, this approach certainly has the edge for me when it comes to code clarity.