demand

1. Origins, structure, and basic meaning

• Structure: The on reading is じゅ, and no kun reading is listed. It has 14 strokes. It appears in words for demand and essential items.
• Basic usage: 需要 is read じゅよう and 必需品 is read ひつじゅひん.

2. Common pitfalls and similar expressions

• 需要 / 必需品
  • 需要 means demand and is read じゅよう. It refers to demand for goods that changes with weather or local conditions.
  • 暑くなると冷たい飲み物の需要が増える。 means “Demand for cold drinks increases as the weather gets hotter.”
  • 必需品 means necessity or essential item and is read ひつじゅひん. It refers to an item essential for situations such as hiking or a power outage.
  • 水筒は夏の登山に欠かせない必需品だ。 means “A water bottle is essential for hiking in summer.”