自販機

1. Origins, structure, and basic meaning

• Structure: 自販機 is an abbreviated form of 自動販売機, vending machine, and is read じはんき.
• Basic usage: The machine as a place or means of purchase appears in 自販機で買う, while replacement appears in 自販機が交換される.

2. Common pitfalls and similar expressions

• で and が
  • In 自販機でお茶を買う, で marks the means or place of purchase; in 自販機が交換される, が marks the machine being replaced.
• Full and shortened forms
  • 自販機 is the common shortened form, while the full expression is 自動販売機.