There are three optional rules you can apply to your coupon offer.

有三种可选规则供您应用到您的优惠券上。

youdao

Additionally, there are Optional Rules that you may set for your coupon, they include.

另外，还有一些供您设置优惠券的可选规则，包括。

youdao

Most of the rules, advice, and conventions that govern the way we work deal with these optional bits.

大多数的规则、建议和惯例约束着我们处理可以选择的工作的方式。

youdao

They're urging Congress to create a single, though optional, federal overseer to fix a cumbersome patchwork of state rules for issuing policies.

FORBES: Insurers Fight For Federal Standards