请你根据以下提示,结合生活中的一个事例,用英语写一篇短文,谈谈微笑的作用. The best example of universally understood body language may be the smile. A smile can help us get through difficult situation and find friends in a world of strangers. A smile can open doors and tear down walls. 注意:①无须写标题; ②内容只需涉及一个方面; ③词数为100左右. |