When answering this question, you can discuss the social and psychological effects of smiling. Smiling is often seen as a universal sign of friendliness and approachability, making people appear more open, positive, and easy to get along with. You can mention that people who smile frequently tend to create a warm and welcoming atmosphere, which helps build trust and good relationships with others. However, you might also point out that while smiling can be a sign of friendliness, it does not always reflect a person's true character, as some people may smile out of politeness or habit rather than genuine friendliness.

回答这个问题时，你可以讨论微笑的社会和心理影响。微笑常被视为友好和易接近的普遍标志，使人显得更加开放、积极且易于相处。你可以提到，经常微笑的人往往营造出一种温暖和欢迎的氛围，有助于建立信任和良好的人际关系。然而，你也可以指出，尽管微笑可以表示友好，但它并不总能反映一个人的真实性格，因为有些人微笑可能是出于礼貌或习惯，而非真正的友善。