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- May be optioned with steam/heat-shrinking tunnels. 可能提供蒸汽/热收缩管道。
- be optional with sb. 任某人选择
- Lose one's love for sb.; Be out of love with sb. 失去对某人的爱。
- Be lucky to get acquainted with sb. 有缘结识某人。
- Be promiscuous; carry on an affair with sb. 任意乱做。
- Be engaged in an argument with sb. 与某人发生一场争论
- An option with a downside as well as benefits. 既有利又有弊的选择
- Have a bowing acquaintance with sb. 与某人有点头之交；（对某学科）略知一二
- It is optional with the writer to make it short or long. 长短随着作者的意思。
- Strike up an acquaintance with sb. 偶然认识某人
- Common facilities are optional CORBA services. 公共设施是可选的CORBA服务。
- Do the work with sb.; Work together with sb. 与某人共事,与某人协作。
- Have a few interests in common with sb. 与某人有一些共同的兴趣。
- Have few interests in common with sb. 与某人兴趣很少相同。
- In syntax, items inside brackets are optional. 在语法中,中括号中的项目是可选项。
- Have no opportunity to get acquainted with sb. 无缘结识某人。
- 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。
- Try to make a conversation with sb. 想和某人聊天。
- Parameters which are not required, are optional. 参数不是必需的，是可选的。
