1. Education, with its cycles of instruction so carefully worked out, punctuated by textbooks----those purchasable wells of wisdom----what would civilization be like without its benefits?
    教育，以其教学周期如此精心地安排，并以教科书 -- 那些可以买到的智慧源泉 -- 予以强化，如果不受其惠，文明将会是个什么样子呢？

2. This is instruction about the machine.
    这是那机器的说明.

3. The new members of the class received supplemental instruction.
    班里的新成员补了课。

4. The new members of the class received supplementary instruction.
    班里的新成员补了课。

5. Here only oral instruction; there not only that, but textbooks, dictionaries and visual aids.
    一边只是口头讲解；另一边不仅如此，还有教科书、字典和直观教具。

6. In primitive cultures the obligation to seek and to receive the traditional instruction is binding to all.
    在原始文化中，寻求和接受传统教育的义务对全民都有约束力。