I had the confidence of an overserved freshmen at a frat party.

在兄弟会派对上， 我有一个服务过剩的新生的信心。

The big guys stay focused on more profitable customers and begin to overserve, adding bells and whistles no one wants to pay for.

大公司仍然专注于更多的盈利客户，并开始过度服务，增加没有人愿意支付的花哨的东西。