golden 表示“绝佳的”，a golden opportunity 绝佳的机会；千载难逢

【例句】
This for our country software outsourcing industry is a golden opportunity.
这对于我国软件外包业来说是千载难逢的机遇。

It's a golden opportunity! You have to take it!
这是个绝佳的机会！你要好好把握！