1, try not to change "proper nouns", proper nouns are the most important words in a sentence, so you can only replace other irrelevant words. But some "proper nouns" can be replaced, such as "bottom line" or "break-even line". Brand awareness can also be called brand awareness. However, the accuracy of proper nouns is very high, because academic papers should be accurate and rigorous and cannot be taken for granted. You must have a knowledge base or use literature Baidu to change technical terms.

2, to put it bluntly, AB→BA, change the position of words, change the order, ensure the will, and turn passivity into initiative.