英语翻译若能根据甲方要求按时补课,工资另议.事假须提前三天提出,经同意方可执行

若能根据甲方要求按时补课,工资另议.
The salary will be calculated seperately if making up for a missed lesson according to A's requirement.
事假须提前三天提出,经同意方可执行
Private affir leave should be brought forward three days in advance and could be executed only after the approval.