偏る

1. Origins, structure, and basic meaning

• Structure: 偏る(かたよる) is an intransitive verb for being unevenly weighted toward one side.
• Basic usage: It describes nutritional imbalance or a population concentrated in a particular area.

2. Common pitfalls and similar expressions

• Bias and uneven distribution
  • 都市部に偏る means being concentrated in urban areas. In quantity or distribution contexts, concentrated may fit better than biased.
• Conjugation
  • 偏っている describes the uneven state, while 偏らない means not being skewed toward one side.