The plan calls for a ceasefire and UN supervision of the country.该计划要求双方停火并由联合国对该国进行监督。The program requires high school students to take at least one college-level course.这个计划要求高中学生至少上一门大学水平的课程。The plans call for an enlargement of the company's offices.这些计划要求扩大公司的办公场所规模。