我可不愿意白吃白喝别人。我不是那种爱占便宜的人。

I wouldn't freeload. I'm not a freeloader.

唯一的例外应该是对那些你认为打算钻空子占便宜的顾客。

The only exceptions should be customers who you think are scamming the system.

虽然人们认为煤气表更难捣鬼，这并没吓住那些野心勃勃的想占便宜的人。

Though gas meters were considered more difficult to tamper with, this had not deterred some ambitious freeloaders.

有些企业家著眼于市场投机，拟定经营计画是为了抢时机占便宜。

Some see a market opportunity and draw up a business plan to take advantage of it.