So could you use taxes and subsidies, for example, to raise the price of foods that you think people should be eating less of, and lower the price of things you would like people eating more of?

你能通过税收和补助金的方式来解决吗,例如,抬高那些你觉得大家应该少吃,的食品的价格,降低那些你认为我们,应该多吃的食物的价格

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The "is it okay" question pattern is something that you can use to make your speech a little less formal.

is it okay”问句能够让你说的话不过于正式。

Is it okay 课堂 - SpeakingMax英语口语达人

You could use the "I want to" pattern to express something much less practical as well.

你也可以用“I want to”句型来表达不太现实的事情。

I want to 课堂 - SpeakingMax英语口语达人

In a less exciting example, you could use the "let's" pattern to suggest going home.

下面一个例子稍显平淡，你也可以用“let's”句型来建议大家回家。

Let's 课堂 - SpeakingMax英语口语达人