Ray Travers sat back at the large desk, and looked around his plush（豪华的）office. He was tired Ray's eyes stopped at a painting on the wall. It was a gift given by an old frie
Some things can carry(携带) messages, for example, a sign（标志） at the bus stop helps you to know which bus to take. Signs on the door tell you where to go in or out. Have you ever noticed tha
