the preemption的用法和樣例：
例句
- 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(guān)系中優(yōu)先購買(mǎi)權是一種待實(shí)現的權利即期待權，同時(shí)也是附條件的以自己?jiǎn)畏揭馑急硎揪湍苁狗申P(guān)系發(fā)生變化的形成權。
