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Because the Q&A session with the professors had gone on for too long, the public lecture that was originally planned to last for an hour and 40 minutes stretched out to two and a half hours, leading to the lunchtime arriving right after everyone finished their interactions.
Upon realizing this, the professors who had been discussing with Leonard Ethan simply invited him to have a modest lunch in the school restaurant.
Of course, the simple lunch was not the understatement often used by Chinese people but rather truly a modest meal, consisting of a cup of coffee, a salad, and a sandwich.
This is primarily because British people themselves place more importance on breakfast and dinner, while lunch is often a light meal, as long as it fills the belly, and so it usually isn't very lavish.
