In JRuby 1.6, we have eliminated the need for this data structure for generating backtraces, which means that many Ruby methods now have nearly zero artificial call overhead.

JRuby 1.6中，在生成回溯时不再需要这个数据结构了，这意味着很多Ruby方法现在的人为调用开销接近于0。

youdao

The countdown at Cape Canaveral reached zero as Gemini Seven passed overhead.

倒计时卡纳维拉尔角达到零七个作为双子座通过开销。

youdao

Its communication overhead is almost zero compared with the general data synchronization algorithms.

相比于常规同步算法，其通信开销几乎为零。

youdao

The countdown reached zero just as Frank Borman and James Lovell, in Gemini Seven, passed overhead.

VOA: special.2009.07.01

The countdown at Cape Canaveral reached zero as Gemini Seven passed overhead.

VOA: special.2009.07.01

With virtual workers, companies are able to operate with zero unnecessary overhead, often saving over 30%.

FORBES: The New World Of Work: Time To Think Virtually

Because of this line of reasoning, managers or technical leads sometimes over-correct and attempt to maximize efficiency by staffing single-person projects to reduce the communication overhead down to zero.

FORBES: Why And Where Is Teamwork Important?