have a high/low/zero tolerance 의미와 활용!

have a high/low/zero tolerance 의미와 활용! Diary entry I used to drink coffee to just keep myself up but as it's grown on me, I've come to enjoy it. My friend doens't understand why people drink coffee. For him, it's bitter water. I found it hard to explain that to him. I saw an article stating that it's more effective to drink coffee after waking up. It helps to refresh the mind. It mentioned people tend to drink cofffee when they are drowsy and tired, although that doesn't work like that for every...

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