英文：Meanwhile, you are allowed to feedback your thoughts and opinions regularly to develop our program and the club.
中文：及时反馈自己的意见和建议, 以便不断提高我们节目的质量和促进俱乐部的发展。
英文：Part of the energy can be transferred from one part of a mechanism to another, in a direction opposite to its main flow. That's what we call feedback.
添加新评论