两个词组都是间隔年的意思，只有通常应用中多使用a gap year，而the gap year需要特指时使用。例如：Could you please explain what mean by taking a gap year?你能解释一下间隔年什么意思吗

He wasn't really aware of the gap year and described it as an alien concept.他并没有真的想到间隔年，并把它描述为一个陌生的概念。