"A year has passed" 或 "One year has gone by"。
这句话是由 "one" (一个) + "year" (年) + "has" (已经) + "passed" (过去) 或 "gone by" (过去) 组成的。
例句:
A year has passed since we last saw each other. (我们上次见面已经过去一年了。)
One year has gone by since the company was founded. (公司成立已经过去一年了。)