increase in表示“在……方面增长”,increase by是“增长了多少”（by表示差额）,increase with表示“随……增长”,如：Activists are increasing in number day by day.His vanity increased with years.The per un...
nothing but =only是固定短语——无所谓指人还是物啊！例如：There is nothing but bread left.=There is only bread leftnobody but不是固定短语应该是除了。。。以外没有任何人。Nobody but only John was studying in the classroom.注意有一个短语是 anything but=not at all是高中的一个难点。例如：It is anything but a car.
