Для знающих английский! Проверьте, пожалуйста.

Для знающих английский! Проверьте, пожалуйста.Проверьте, пожалуйста, на ошибки.

Спасибо!

There are three main competitive strategies: the leadership of the costs, the focusing and the strategy of differentiation. And all of them have advantages and disadvantages. But if the leadership of the costs and the strategy of the focusing minimize opportunities, the strategy of differentiation increases them. About advantage of the strategy of differentiation wrote Gary Hamel and C. K. Prahalad. Their main idea (the idea of intellectual leadership) was to create new products and even absolutely new market. Nowadays in the conditions of the big competition this is really good variant to make the company survivor.