Mathematics teacher: "Is Jiang Yan spending all his time studying mathematics?"
Jiang Yan: "..." No, it was used to find Ana Shen.
Chinese teacher: "Spend all your time studying math and you'll get 300 points in math soon."
Jiang Yan: "..." Are you polite?
Ana Shen walked past within three meters of Jiang Yan. She didn't know if she didn't see him or if he became a stranger again like before.
This is a true proposition, and I hope its converse is also a true proposition.
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Intention: Study hard, live well, and make progress every day