If this option is enabled, the generated acknowledgment contains up to four SACK options.

如果启用此选项，则产生的应答包括最多四个SACK选项。

youdao

The contract performance covers a 6 month base period with four one-year option periods.

合同日期包括6个月的基本期和四个为期一年的选择期。

youdao

Most schools introduced the couples option in the past three or four years.

大部分学校在过去三四年即已推出自由选择合住室友方案。

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Warner Brothers, owned by Time Warner, the parent company of CNN, snapped up film rights on all four books -- as well as an option on the next three -- and the first Harry Potter movie became one of the most talked about projects in Hollywood.

CNN: British child actor 'a splendid Harry Potter'

Four years ago self-publishing was viewed as the option of last resort for authors, where failed authors went, but this attitude is changing dramatically.

FORBES: Self-Publishing Shows Rapid Growth

Former Chicago Bears defensive tackle Tim Ryan, now an analyst with Fox, said the option game and running quarterbacks leave four-man defensive lines at a significant disadvantage.

WSJ: NFL: The Year Everything Changed