It might seem more difficult to speak politely than (直接地). However, it is important to learn how to use the right (语言) in different situations. This will help you (交流) better with other people.
Good (说话者) will change the way they speak in different situations. What they say might depend on (谁) they are speaking to or how well they know each other. For example, it's all right to ask direct questions to your classmates. But it's (不礼貌的) to say to your teachers like that. Sometimes we even need to spend time leading into a (请求) when we first say to a stranger, such as "Excuse me, I (想知道) if you can help me？" or "I'm sorry to (打扰) you, but. . . " before asking for help.
We all know it's not enough to just ask a question (正确地), we also need to learn how to be polite when we ask for help.
