"But tomorrow will be better"是一个英文表达，表示即使今天不好，明天会更好。它源于英语中常用的乐观表达。
例句:
Even though I failed my exam today, but tomorrow will be better. 我今天考试不及格了，但明天会更好。
I had a rough day at work, but tomorrow will be better. 我今天工作不顺利，但明天会更好。
Today was hard, but tomorrow will be better. 今天很难熬，但明天会更好。