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，其教学周期如此精心地安，教科书 -- 那些可买到的智慧源泉 -- 予强化，如果不受其惠，文明将会是什么样子呢？

Avoid using them when users are making a simple decision where there aren't comparable options or if the options are easily purchasable in quantity.

避免在用户进行简单决策且没有可比项，项可轻松大量购买的情况下使用比较表格。

It was like a debauch of colour, a street pleasure bursting forth, a wealth of purchasable articles publicly displayed, on which everybody could feast their eyes.

犹如放荡的色彩，迸发的街头快感，大量可购买的商品公开展示，让人大饱眼福。