My husband and I were debating whether we should go to Egypt or Florida on our honeymoon. We ended up going to Florida, but I think we would have been better off going to Egypt.
この場合、次のような言い方ができますよ。
ーMy husband and I were debating whether we should go to Egypt or Florida on our honeymoon. We ended up going to Florida, but I think we would have been better off going to Egypt.
「夫と私は新婚旅行にエジプトに行くかフロリダに行くか迷っていた。私たちはフロリダに行くことにしたが、エジプトに行けば良かった」
we would have been better off going to Egypt で「私たちはエジプトに行っておけば良かった」
to end up ...ing で「最終的に…する」
ご参考まで！
カナダ 
