say n. 发言权；决定权
He has a say in this matter.
他对此事有发言权。
saying n. 格言；俗语，谚语；名言
1. ‘Every dog has his day’ is a saying, meaning that everyone gets his chance of doing well. “
凡人皆有得意之日”，是一个谚语，意思是说每个人都能有他做得好的机会。
2. There is a saying that behind every successful man there's a woman.
"有句谚语说,每个成功的男人背后都有一个女人。"
3. Both these sayings mean the same thing.
这两句谚语的意思是相同的。