Invest for the long run [=the long term], not to see what you can earn in a few months.要进行长线投资，不要看几个月内能赚多少钱。

Your solution may cause more problems over the long run.从长远看，你的解决方法可能引起更多问题。

It may be our best option in the long run. [=when a greater amount of time has passed]从长远看，这可能是我们最好的选择。

This deal will cost you more in the long run. [=in the long term]从长远看，这笔交易将使你付出更大的代价。