ten years ago在十年前如这一切在十年前是不可能有的1. All this would have been impossible ten years ago早在十年前我就看到过他1. I saw him as early as ten years ago事情发生在十年前，当时我还是个小孩子1. It happened ten years ago, when I was a child他早在十年前就染上了抽烟的习惯1. He got into the habit of smoking ten years ago
无人边框
