There is a lot of knowledge, but careless children can't get it. What does "there" mean in one sentence?

There is a lot of knowledge, but careless children can't get it. In this sentence, "there" refers to the magical nature.

This sentence comes from the first volume of the second grade of People's Education Publishing House, "Plant Mom has a way".

Mother plant has an idea. The original text is as follows:

The Plant Mother has a Way uses personification rhetoric to vividly express scientific knowledge in the form of verse, and the language is catchy. Teachers can lead in-class learning to the big classroom of life and stimulate students' interest in observing plants and exploring natural mysteries.

Extended data:

The learning goal of "Plant Mom has a Way" is 1. It can recognize 12 new words. Can write 10. 2. Read the text correctly, fluently and emotionally. Recite the text. 3. Interested in observing plants, understanding plant knowledge and exploring plant mysteries.

References:

Baidu Encyclopedia: Plant Mom has an idea.