"A bright and wonderful tomorrow" is how you might say "美好的明天" in English. This phrase comes from the idea of hoping for a positive and hopeful future. Some example sentences in English might include:

"I believe in a bright and wonderful tomorrow for our children."

"Let's work together to create a bright and wonderful tomorrow for everyone."

"Let's not dwell on the past, but look forward to a bright and wonderful tomorrow."

In Chinese, these sentences might be translated as:

"我相信我们的孩子会有一个美好的明天。"

"让我们一起努力创造一个美好的明天。"

"让我们不要回忆过去，而是期待一个美好的明天。"