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1·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。

2·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。

3·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。

4·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。

5·Option holders must wait for expiration, then make a best guess whether to exercise their options, or allow them to expire.

期权持有人只能等到到期，然后尽可能猜测究竟是执行，还是不执行手中的期权。

6·The price an investor is willing to pay for an option depends on a number of factors including interest rates and the relationship between the market price and the exercise price.

投资者愿意支付的期权价格取决于一系列因素，包括利率以及标的资产的市场价格和行权价格的关系。

7·Even as they were forbidden to exercise any kind of Jewish identity, they also had no option to assimilate in Soviet society.

在苏联，犹太人不仅被禁止显示其民族身份，也得不到融入苏联社会的机会。

8·An underwater weighing tank in the exercise physiology department at a local university is another option (some gyms occasionally offer measurements taken in portable tanks).

当地大学生理学系的水下称量桶是另一种方法(有些体育馆偶尔也会提供便携式罐体)。

9·While Washington might not affirmatively favor a decision by South Korea and Japan to exercise the nuclear option, the United States would not likely prevent them from doing so.

尽管华盛顿可能不能明确支持韩日两国拥有核武器的要求，美国也不能阻止它们这样做。

10·The act of an option holder in electing not to exercise or offset an option.

指期权的持有者选择放弃执行或对冲期权合约的行为。