题目内容：
将下面划线的短语翻译成汉语。1. Door-knocking is the most effective way of making face-to-face community contact.
2. Door-knockers should wear name tags with the logo of their organization.
3. When someone answers the door, smile and introduce yourself.
4. What if the person who answers the door cannot speak English?
5. Tell the person what they need to do and how their actions will benefit themselves and others.
参考答案：