leave的过去式 left；过去分词 left； leavev.离开(某人或某处)；离开居住地点(或群体、工作单位等) It\'s not for me to say why he left. 不适宜由我说出...
account for对…负有责任;Two things account for its occurrence. lead to 导致;A poor diet will ultimately lead to illness. result in 导致; Compulsi...
