preemption right的用法和樣例：
例句
- When one party assigns all or part of his investment to a third party, the other party has pre-emptive right.
合營一方轉讓其全部或者部分股權時，合營他方有優先購買權。 - The preemption right in co-ownership is a expectant right as well as a formative right which means it's up to the co-owner's own willing to change the legal relationship.
共有關係中優先購買權是一種待實現的權利即期待權，同時也是附條件的以自己單方意思表示就能使法律關係發生變化的形成權。
