例句
Students with a background in chemistry will probably find the course easier.
学过化学的学生可能会觉得这门课程容易些。
It’s important to understand other people, people from different backgrounds .
要理解别人，理解那些来自不同背景的人，这是很重要的。
Do you know anything about his background?
关于他的背景，你知道什么吗？