Furthermore if such surveys are considered optional surveys then we believe the right to exercise the option is not left to the contractor, but to the Employer or his representatives.

而且如果这样的监控将被视为可选监控，我方相信其选择权也不是承包商的而是业主或者其代表的。

youdao

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

Wherever possible, mothers and babies should remain together and be provided with the support they need to exercise the most appropriate feeding option under the circumstances.

只要有可能，母亲和婴儿应该始终在一起，并根据情况向他们提供所需支持，以选择使用最适宜的喂养方式。

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

It will certainly lack the ability to exercise the option to increase its arsenal should that prove necessary in the future.

CENTERFORSECURITYPOLICY: Time of Testing

This time, the issue is whether to exercise the option it created in 1994 by building a second increment of 20 B-2 aircraft.

CENTERFORSECURITYPOLICY: Center For Security Policy

For those who exercise the account option for fewer years and later in their careers, the account would finance proportionally less under a statutory formula.

FORBES: Social Security Personal Accounts Are A Path To Prosperity