Science is foundation and medium, which help humanism hold the world and life.
科学是人文把握世界和人生的基础和中介。
We already hold some large and many medium cities.
我们已得到了一些大城市和许多中等城市。
People hold money because it is the medium of exchange.
人们持有货币是因为它是交换媒介。
People hold money because it is the medium of exchange.
人们持有货币是因为它是交换媒介。
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