the act of making an agreement continue for an extra period of time after it has come to an end:
the act or process of making changes to something in order to improve it so that it becomes more successful:
a situation in which something begins again after having stopped for a period of time:
if an agreement is up for renewal, it will soon end, and an arrangement needs to be made if you want to continue it for an extra period of time:
英语词典包含110679条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。