它们都谨慎地进入未知之中，小心地迈出第一步，就像登上月球的第一个人一样。
They all go cautiously into the unknown, stepping carefully, like the first man on the moon.
所以他们小心谨慎地用学习者理解的词语定义名词术语，缓慢而耐心地前进，花时间图解自己的观点，花时间给读者打气。
So they were very careful to define their terms in words the learner would understand, to move ahead slowly and patiently, taking time to illustrate their points and to reassure the reader.
所以他们小心谨慎地用学习者理解的词语定义名词术语，缓慢而耐心地前进，花时间图解自己的观点，花时间给读者打气。
So they were very careful to define their terms in words the learner would understand, to move ahead slowly and patiently, taking time to illustrate their points and to reassure the reader.
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