This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.

这是一项重要的发现，因为通过学习耕作土地，饲养动物，就可以有稳定的食物来源。

youdao

An unsought, unintended, and/or unexpected, but fortunate, discovery and/or learning experience that happens by accident.

并未刻意寻找的，并未提前期待的，可又是幸运的且意外发现（或学习经验）。

youdao

The study partly blamed this on the local council's imposition of learning-by-discovery.

ECONOMIST: Plowden��s progress

Although learning-by-discovery is being phased out of schools, the government seems prepared to accept that it is right for nursery pupils: ministers are said to have noted that in the successful education systems of Switzerland and Hungary, pupils start in the nursery with play-based education and then switch to traditional teaching at the age of six or seven.

ECONOMIST: Plowden��s progress