不管你思考什么问题如果是以“多少种途径…”
Whenever you think of a question that starts with "how many ways…"
不管你思考什么问题，如果是以”多少种途径…”或”有多大几率的…”，那就是离散问题。
Whenever you think of a question that starts with "how many ways…" or "what are the odds…", it's a probability question.
有多少种新冠病毒传播途径被提及？
How many ways are mentioned for the spread of the new coronaviruses?
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