What do people want? I want to learn English well. That's not right. That's right. the first letter needs to be a capital letter[ˈkæpɪt(ə)l] [embed]http://dict.youdao.com/dictvoice?audio=capital&type=1.mp3[/embed] It's a question. So you need a question mark. You're welcome. So, what do people want? People want a product that is small, cheap and useful. This is good. What's wrong. I didn't sleep well. Capital "P" in "people" comma 逗号 [embed]http://dict.youdao.com/dictvoice?audio=comma&type=1.mp3[/embed] period [embed]http://dict.youdao.com/dictvoice?audio=period&type=1.mp3[/embed] at the end 在结尾 Now it's right. What is the next question? Who is this product for? It's for you. What's the answer? All people. Not just some people. It's for everyone. It's a list. This sentence [embed]http://dict.youdao.com/dictvoice?audio=sentence&type=1.mp3[/embed] This sentence needs commas. I want you to write.