譯文：人的福分，并不是靠外在的條件和環(huán)境得來的，而是取決于自己內(nèi)心的修養(yǎng)和行為。只有把握好自己的內(nèi)心，才能獲得真正的幸福和成功。
The only way to learn mathematics is to do mathematics.
The core of Pinduoduo is "group buying," allowing users to participate in shopping through social means.