両面

1. Origins, structure, and basic meaning

• Structure: 両面 is read as りょうめん and is a noun for both physical sides of an object or two different aspects of a matter.
• Basic usage: Both sides of the paper appear in 紙の両面, while two aspects of a matter appear in 物事の両面.

2. Common pitfalls and similar expressions

• Physical and abstract uses
  • 両面 can refer to two physical surfaces, such as those of paper, or figuratively to two aspects of an issue.
• Difference from 片面
  • 片面 refers to only one side, while 両面 includes both opposing or contrasting sides.