to do something for someone in exchange for a favor or help later
为某人做某事，以换取以后得到的帮助或好处 (wei mou ren zuo mou shi, yi huanhuo yihou dede bangzhu huo haochu)
"We agreed to scratch each other's backs in this business deal."
"我们同意在这笔商业交易中互相刮背。" (Women tongyi zai zhe bi shangye jiaoyi zhong huxiang gua bei)
a chance to live or start something again after a period of...
to change and adapt as things in society or technology chang...
to spend time doing casual activities
A family member or close relative.
to start something, especially a project or task
to be extremely happy and excited
