1.of itself 本身
As a rule, where the broom does not reach the dust will not vanish of itself.
扫帚不到，灰尘照例不会自己跑掉。
2.in service 在用状态
The sign on the bus read 'Private: Not In Service'.
巴士的标牌上写着“私家车：不对外出租”。
3.in itself 本身
Stress in itself is not necessarily injurious.
压力本身未必有害。
4.take ownership 拥有所有权
What I mean by that is I want you to take ownership of your learning.
我的意思是我希望你们掌握住，学习的主动权。
