YOU SAID:

today was a very fun day. I hope tomorrow will be just as good, if not better.

INTO JAPANESE

今日はとても楽しい一日でした。明日は良いとは限りません。

BACK INTO ENGLISH

Today was a very fun day. Tomorrow is not always good.

INTO JAPANESE

今日はとても楽しい一日でした。明日は必ずしも良いとは言えません。

BACK INTO ENGLISH

Today was a very fun day. Tomorrow is not always good.