関連ワード:
which is the most useful language in the world which is the most used language in the world after english which is the most valuable language in the world which is the most suitable language in the world which is the most used programming language in the world which is the most commonly used language in the world which is the most widely used language in the world which is the second most used language in the world which is the most used sign language in the world which is the most used computer language in the world
