entail on(v.+prep.)
限定…继承succeed limitedly (one's property) such as the property may not be sold to anyone else
▲entail sth on sb
◇ 常用于be ～ed结构
The castle and the land are entailed on the eldest son.那城堡和土地限定由长子继承。

用作及物动词
▲S+～+n./pron.
This job entails a lot of time.这项工作需要大量时间。
These plans entail great expense.这些计划需要大笔经费。
▲S+～+v-ing
The visit entailed buying gifts for children.这次旅行必须为孩子们买礼物。