关于这一点最好的例子就是生意人光明正大挣钱还是靠走旁门歪道挣钱。。

A good case in point is that of a businessman who makes money by fair means or foul.

Fours quare和其他网络一直在做很大努力去杜绝这些旁门歪道，但这很难。

Foursquare and other networks have been working hard to stamp out such shenanigans, but this is tricky.