What's sauce for the goose is sauce for the gander. （女性にとっていいものは男性にとってもいいものだ）となります。お互い様としても使える場面があると思います。If your husband can go out with his friends, then surely you can go out with yours. What's sauce for the goose is sauce for the gander.のようにつかわれます。1:12 it's good for the goose, it's good for the gander. お互い様なのだ。
http://www.youtube.com/watch?v=tsJ3D6fI6ZQ 0:08 what's good for the goose may be good for the gander. 男が若い女と遊べば、女も若い男を相手にしたがる、、、お相子様だ。
参考リンク
http://bridge-english.blogspot.jp/2010/08/blog-post_6527.html お互い様を英語でなんと言うか？
http://www.youtube.com/watch?v=zCCO92WxB-E 1:01 what's bad for consumers is also bad for suppliers. 消費者にとって悪いものは供給側にとってもいい話ではない。注;構文をおぼえましょう。
練習問題解答
a-2718 what's good for the goose is good for the gander
a-4741 what's sauce for the goose is apparently not sauce for the gander
a-5041 what's good for the goose is good for the gander
b-6449 what's good for the goose is good for the gander
b-6472 for the gander
b-6690 it's good for the goose, it's good for the gander
