There are many different signs around us. There are some signs that are useful to you. For example, in a store, when you want to go to the toilet, there are signs that tell you where the toilet is. Sometimes there are signs that warn people about what they can't do. For example, kite flying is prohibited near high voltage cables.

Signs around us_我们身边的指示牌作文50字 商务演讲

版权作品，未经《美德网网》书面授权，严禁转载，违者将被追究法律责任。