My income has gone down so I'm trying not to buy too many clothes (unlike before).
I don't earn as much money as before so I'm trying to cut down on buying clothes.
「収入が減ったから、前みたいに服を買わないよう、我慢した」＝ My income has gone down so I'm trying not to buy too many clothes (unlike before). / I don't earn as much money as before so I'm trying to cut down on buying clothes.
「服を買わないよう、我慢した」＝ I'm trying not to buy too many clothes / I'm trying not to spend too much money on clothes
ボキャブラリー
収入が減った ＝ My income has gone down / I'm not earning as much as before
前みたいに ＝ like before / like I used to
服を買わないよう＝ I'm trying not to buy too many clothes / I'm trying not to spend too much money on clothes
I don't make as much money these days, so I try not to buy as many clothes as I used to.
My income has dropped, so I try to hold off on clothing purchases.
この場合、次のような言い方ができますよ。
ーI don't make as much money these days, so I try not to buy as many clothes as I used to.
「最近前ほど稼がないので、以前ほど服を買わないようにしている」
ーMy income has dropped, so I try to hold off on clothing purchases.
「収入が減ったので、洋服の購入は我慢している」
to hold off「買い控える」
ご参考まで！
イギリス 
カナダ 
