free-riding

基本解释

One party must be free-riding directly on another's expenditure, and the two must be in direct competition.
一方必須是直接搭乘另一方花費的便車，竝且雙方須是直接競爭關系。
The upshot is that people will voluntarily contribute too little from a social perspective, by free-riding on the contributions of others.
這樣，從社會角度看，因爲搭便車問題的存在，人們自願捐贈的太少了。
Worse still, there isn't the slightest reason to suppose that free-riding exhausts the kinds of exceptions to natural selection that endogenous structures can produce.
更糟的是，沒有絲毫的理由認爲搭便車可以窮盡所有自然選擇的反例（內在結搆産生的）。

Klug was on the transplant waiting list for six years, and during that time he was out care-free, riding his snowboard, playing and training hard.

Ratings would have to be confidential to prevent investors from free-riding on each other.
FORBES: Rethinking Credit Ratings
As in law firms, what looks like irrational behaviour may in fact be a community norm which efficiently discourages free-riding.
ECONOMIST: Letters The