然而，航空公司可以通过在价格差额带来的利益思考来提高其利益。

Yet the airline can raise its profits by thinking at the margin.

youdao

这些例子表明，通过在价格差额上的思考个人和企业能做出更好决定。

As these examples show, individuals and firms can make better decisions by thinking at the margin.

youdao

其中的差额或携带将是回报的主要来源，如果债券的价格上扬那就更好了，多多益善。

The difference, or carry, would be the main source of return; if the bonds rose in price as well, so much the better.

youdao