我们包了一辆巴士去郊游。

We ___chartered a bus for our field trip.

市政府决定特许成立一家新的环保组织。

The city council voted to ___charter a new environmental organization.

学校章程明确规定了学生和教师的权利与义务。

The school's ___charter clearly outlines the rights and responsibilities of students and teachers.