牛津词典对imply的释义中有:to make it seem likely that sth is true or exists
请问该释义里的it,是it seems that...结构中的it,还是it is likely that...结构中的形式主语it?
另外,请问老师觉得it seems that...结构中的it是像天气、时间这样的主语it吗?