Nhờ sửa bài giúp

if you can give me a better idiomatics version for each of my own sentences, do it please :) Doing studies is important for every people on the world, in fact, we need to be trained to be able to struggle against the world. why ? owing to in our actual world, lot of persons want to take advantage of your ignorance and go througt school allow you to avoid to be duped by ''sneaky snacks"