前者是有能力做某事,主语为人
后者是有可能做某事,主语为it is,如果要加上人,就该是it is possible for sb to do
例:
He is able to speak English well.
It is possible for him to speak English well.
前者是有能力做某事,主语为人
后者是有可能做某事,主语为it is,如果要加上人,就该是it is possible for sb to do
例:
He is able to speak English well.
It is possible for him to speak English well.