永久持有权年数
years of purchase in perpetuity
股东优先购买权
the privileged allocation to stockholders
优先购买权
pre-exemption
Preemptive right
Pre-emptive right
right of pre-emption
preemption
first priority for purchasing
优先购买权协议
agreement on buying option
永久持续生存
permanence
Persistence
permanent survival
permanently sustained survival