pre-emption

基本解释

Botswana also has a pre-emption right over the Oppenheimers’ shares, so it may yet increase its stake in De Beers from 15% to 25%.
博茨瓦纳公司还拥有奥本海默家族股份的优先购买权，因此它还可能增加其在戴比尔斯的股份，从15％增至25％。
But the shareholder who spoke to the Guardian warned that just respecting pre-emption rights would not be enough to secure investors' approval.
但是，接受卫报采访的股东警告说，仅仅尊重优先购买权不足以保证能够获得投资者的批准。
Most institutional shareholders have opposed the plan, announced in February, mainly because it ignores their pre-emption rights, or right to participate in the fundraising.
二月份，大部分法人股东宣布反对这一计划，主要是因为该计划忽视了他们的优先购买权或者说是参与融资的权利。

The Supreme Court has already ruled in favor of pre-emption in securities and medical device cases.
FORBES: Magazine Article
It concerns drug makers and the issue of federal pre-emption of state tort claims.
FORBES: A New Wave Of Product Liability Against Drug Makers? Tomorrow The Supreme Court Decides
Either candidate will face legislation over pre-emption, the theory that federal regulations can preclude certain lawsuits.
FORBES: November Election A Lawyer's Delight

the purchase of or right to purchase property in advance of or in preference to others

优先购买权
Finally, the author explores the problem of the partly exercising of pre-emption right.
最后,笔者探究了优先购买权部分行使背后的控股权争夺问题。
先买