sanshu no jingi
3 sacred items
The 'original' three sacred items were a Mirror, Sword and Jewels, but after WWII the phrase came to represent a new age of necessities.
- 白黒テレビ Black & white television
- 洗濯機 Washing machine
- 冷蔵庫 Refrigerator
The phrase 「三種の神器」can be used to describe three essentials in various fields.
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Also see: 御三家