没有区别，be occupied in doing sth/with sth：忙于做某事，专心于；忙碌

be occupied with后常跟名词，代词或者动名词

例句：she is occupied in looking after /with 3 children.

相关介绍

occupied

adj.使用中;有人使用(或居住);忙于;被占领的;被侵占的

v.使用，占用(空间、面积、时间等);使用(房屋、建筑);居住;侵占;占领;占据

occupy的过去分词和过去式

例句：

only half her time is occupied with politics.

她只用自己一半的时间从事政治活动。

only half of the rooms are occupied at the moment.

目前只有半数的房间有人居住。

Their album has occupied the Number One slot for the past six weeks.

他们的唱片在最近六周占据排行榜首位。

During the war their lands were occupied by the enemy.

战争期间他们的土地被敌人占据了。

She occupied herself with routine office tasks.

她忙于办公室的日常工作。