Each one is indispensable; none can be omitted.
少一样也不行。
明·施耐庵《水浒传》第二十回林冲道‘只今番克敌制胜，便见得先生妙法。正是鼎分三足，缺一不可，先生不必推却。’”
In a successful team, every member is indispensable.
Learn the next connected idiom: 缺一不可 (quē yī bù kě) → 可想而知 (kě xiǎng ér zhī)
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