In the past work, I have accumulated a certain amount of marketing experience.
在过去的工作中，我在营销方面积累了一定的工作经验。
This point can be illustrated by the fact that most companies require their new employees to have a certain amount of work experience.
这一点可以通过以下证明，绝大部分的公司要求他们的新员工需要拥有一定的工作经验。
Through the year half a year's teachers' work, have certain of teaching experience and comprehension, to better accomplish the teaching, the students, the teacher get and school leaders approval.
通过一年半年的教师工作，有了一定的教学经验和感悟，能够较好的完成教学，得到了学生、老师和校领导的认可。
应用推荐