悲催的是，常言道：江山易改，本性难移。这项研究列出的许多分手原因都印证了这句话——人很难改变。
Unfortunately, as the saying goes, a leopard cannot change his spots. Many deal breakers listed by the study support this cliche -you cannot change them easily.
例句：他说戒烟你真的相信吗？江山易改，本性难移啊。
Did you believe him when he said he had given up smoking? A leopard cannot change its spots.
例句：他说戒烟你真的相信吗？江山易改，本性难移啊。
Did you believe him when he said he had given up smoking? A leopard cannot change its spots.
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