I wish spring and autumn would be constantly repeated.
"春と秋を順番に繰り返して欲しい"
- I wish spring and autumn would be constantly repeated.
- I just want spring and fall to be repeated.
秋 - fall, autumn
夏は暑すぎる。冬も辛い。春と秋の二つでいいな。
- Summer is too hot. Winter is harsh. I would like it to be just spring and fall.
I wish we could just go back and forth between spring and fall.
It would be nice if we could alternate between spring and fall.
この場合、次のような言い方ができますよ。
ーI wish we could just go back and forth between spring and fall.
「春と秋を行ったり来たりできればいいのに」＝「春と秋を繰り返してくれたらいいのに」
ーIt would be nice if we could alternate between spring and fall.
「春と秋を順番に繰り返してくれたらいいのにな」
to alternate「順番に交代する」
ご参考まで！
アメリカ合衆国 
カナダ 
