ins and outs

汉语翻译

例句：

1. I know all the ins and outs of our school building.
   我知道我们教学大楼的一切情况。
2. She was very busy Saturday and was in and out all day.
   星期六她非常忙碌，整天进进出出。
3. Ask Brenda, she knows all the ins and outs of how the photocopier works.
   请问布伦达，她对如何操作复印机的详情很了解。