If you lose your wallet in Japan, chances are that you'll get it back with everything in it.
Japan is the best place to lose your wallet because you'll probably get it back with everything intact.
①If you lose your wallet in Japan, chances are that you'll get it back with everything in it.
If you lose your wallet in Japan→日本でお財布を失くしも
chances are that→おそらく○○だろう
you'll get it back with everything in it→お財布の中身が全部戻ってくる
②Japan is the best place to lose your wallet because you'll probably
get it back with everything intact.
Japan is the best place to lose your wallet→日本はお財布を失くすのに最適な場所だ
because you'll probably get it back with everything intact→十中八九はお財布の中身がそのまま戻ってくるから
失くしたお財布をきちんと届けてくれるのは日本だけですよね!
海外でも有名な話ですね。素晴らしいです!
少しでもお役に立てれば幸いです。