您要查找的是不是：
- The insurance cover is optional. 保险范围可以随意选择。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- optional sandhi 任意性连音
- An optional academic course or subject. 选修的科目选修课程或课题
- The cassette player is an optional extra in this make of car. 这种型号汽车如需盒式磁带唱机费用另计。
- You must do it; you have little option. 你必须做,你没有选择的余地。
- It is at your option to stay or leave. 去留随你的便。
- You must do it; you have no option. 你必须做，你没有选择的余地。
- She has taken an option on that piece of land. 她已取得那块土地的购置权。
- Permitting discretion; optional. 允许自行处理的; 随意的
- The former option favours the married man. 前一种选择对已婚男子有利。
- Jinhua Dialect tone sandhi is complicated. 金华方言的连读变调很复杂。
- In the middle are listed the sandhi tones. 表中表示变调后的实际调值。
- Common facilities are optional CORBA services. 公共设施是可选的CORBA服务。
- Chen Matthew Y (2000): Tone Sandhi, Cambridge University Press. 蒋绍愚(1994)：《近代汉语研究概况》，北京大学出版社，北京。
- The buyer has the option of canceling the contract. 买主有权撤消合同。
- Attendance at the lecture is optional. 这一讲座可随意参加。
- Yangping and Shang tone's tone sandhi can be considered the same. 阳平和上声的声调变化却几乎一样。
- We have the option of going or not. 我们有去或不去的选择自由。
- The micro-controller experiment is optional. 微控制器实验是选修的。
