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- Contributions are optional. 捐献完全是随意的。
- Contributions are purely optional. 捐献完全是随意 [出于自愿] 的。
- Common facilities are optional CORBA services. 公共设施是可选的CORBA服务。
- Contributions are requested for the refugees. 为难民呼吁捐款。
- In syntax, items inside brackets are optional. 在语法中,中括号中的项目是可选项。
- The other excursions are optional. 其他短途旅行都可自由选择。
- The goods are optional, but only one. 这些物品是可以任选的, 但只能选一个。
- Parameters which are not required, are optional. 参数不是必需的，是可选的。
- Leather seating surfaces are optional. 皮革座椅表面是可选的。
- The remaining layers are optional. 剩下的层次是可选的。
- We are optional but not decadent. 我们随意但不颓废。
- The goods are optional but only one. 这些物品是可以任选的但只能选一个。
- All Hedge-Mage abilities are optional. 每个设障法师的异能均非强制。
- Contributions were requested for the orphans. 他们为孤儿征募了捐款。
- My small contribution was lost in the grand total. 我的小小捐献在巨大的总额中小得几乎看不见。
- Though milder than fines,these contributions are also a form of punishment. 捐款也是一种惩罚，不过较罚款为轻。
- We will reaffirm that his contributions are primary and his mistakes secondary. 我们将肯定毛主席的功绩是第一位的，他的错误是第二位的。
- Certain courses are compulsory, others are optional. 某些课程是必修的，其他是选修的。
- Become clearer. Our contributions are given to international aid agencies, or. 我们通过国际救援组织或直接向受灾国政府提供援助。
- Contributions are not returned. Please keep the original draft yourself. 来稿一律不退,请自留底稿。
