1.in the field of 在…方面,在…领域
He also did pioneer work in the field of weather observation.
他在气象观察领域也做了不少开拓性的工作。
2.dig out of 挖出;清除
It is a hole that you can dig yourself out of.
这是一个你能挖出的洞。
3.expect to do 期待做...
But how do you expect to do this? Through greater volume of sales? Or new technology?
但你期望如何达到这个目的?通过增加销量,还是使用新技术?