It's more important to avoid having things that don't go with your room than it is to have things that suit your room.
ーIf you want your room to look harmonious, it's more important to avoid having things that don't go with your room than it is to have things that suit your room.
「部屋に調和を求めるなら、部屋に合うものを置くより、合わないものを置かない方が大切だ」
to look harmonious で「調和して・調和がとれて見える」
to avoid で「避ける」
to go with ... で「…と合う・調和する」
to suit で「合う・適する」
ご参考まで！
It’s more important not to put mismatched things in a room than to add matching ones.
It’s more important not to put mismatched things in a room than to add matching ones.
If you want a room to feel cohesive, focus more on avoiding things that don’t fit than on adding things that do.
英語でも、比較の形を使うと自然に言えます。
・It’s more important A than B
（BよりAのほうが大事）
この形を使うと、今回の
「置くより、置かないこと」
がとてもきれいに表せます。
カナダ 
アメリカ合衆国 
