much of a muchness
US /ˈmʌtʃ əv ə ˈmʌtʃnəs/
UK /ˈmʌtʃ əv ə ˈmʌtʃnəs/

1.
大同小異, 沒什麼區別
very similar; almost the same
:
•
All the candidates for the job were much of a muchness, making it hard to choose.
所有求職者都大同小異,很難選擇。
•
When it comes to fast food, most chains are much of a muchness.
說到快餐,大多數連鎖店都大同小異。