Переведите about 20 of the world`s population speak english.doctors and scientists try to answaer the same questions all over the world.they find it easy to exchange their ideas in english.english has become a means of communication within some countries where different groups of people speak different languages and thousands of dialtcts.people from different parts of the count6ry often do not speak each other`s language.english is the only solution to their communication problems.
