"Tomorrow will be a better day" 是一个常用的英文表达，它表示明天会更好。这句话来源于英语中常见的乐观情绪，意味着即使今天不好，明天一定会更好。
举例：
"I know today was tough, but tomorrow will be a better day." 今天很难熬，但明天会更好。
"Things may be tough now, but remember that tomorrow will be a better day." 现在可能很难，但要记住明天会更好。
"Don't give up, tomorrow will be a better day." 别放弃，明天会更好。