have a, some, etc. say in sth

to be involved in making a decision about something

在…方面有发言权

When he's 18, he'll begin to have a/some say in the running of the family business.

等他到了18岁就可以在家族企业的经营中拥有发言权。

The employees had little/no say in the restructuring of the company.

职员们在公司重组过程中几乎没有/完全没有发言权。