Head teachers have wide discretion in the hiring and firing of teachers and are free to pay by results as they think fit.
在雇用和解聘教师方面，校长拥有完全的自由裁量权，并按照他们认为合适的结果去自由付工资。
2
Television footage shows a man alongside Ms. Bhutto's motorcade firing three shots at the back of her head.
电视画面显示，布托车队旁边的一名男子朝她的脑后开了三枪。
3
Ms Rhee upset the unions by refusing to accept all this, closing dozens of schools and firing 1, 000 teachers, including the head of her own children's school.