As far as I am concerned the use of stored procedures, database triggers and foreign key restraints is OPTIONAL, not MANDATORY, therefore I am free to exercise my option not to use them.

这样的话，我认为存储过程，触发器，外键是可选的，而不是强迫的，因此我可以自由的选择不去用它们。

youdao

Lenovo has been in talks to buy Packard Bell, but Gateway says it intends to exercise an option, obtained last year, to purchase the firm.

联想收购Packard Bell本已进入谈判阶段，但Gateway声称倾向使用去年获得一项权利，优先收购这家公司。

youdao

The third encryption option the books-seller can exercise is to encrypt only the credit card number in Order.xml.

图书销售商可以实行的第三种加密选择是只加密 Order.xml 中的信用卡号。

youdao

"Our anticipation is that it will be another seven to ten days to complete all of the preparations that we need to exercise this option and then at that point, we'll pump the kill mud and hopefully have this well killed, and well shut off, and the flow shut off."

VOA: standard.2010.05.17

Even if app producers or operators offer an option to block the collection of user contextual information, consumers will simply not exercise that option if it will adversely impact their mobile experience.

FORBES: Does The Mobile Internet Mean The Death Of User Privacy?

Others may exercise their option to "go nuclear, " contributing to regional arms build-ups and proliferation.

CENTERFORSECURITYPOLICY: Obama's shrinking deterrent

But BSkyB indicated it would exercise its option to sell the stake back to Kirch later this year.

FORBES: Magazine Article