写作有点像拉屎。如果太费力,那就有问题了。
"Writing is a bit like shitting. If it's coming out too hard, something's wrong."
Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know, ask them who you should ask next, and so on down the line. If you are willing to go to the 7th source, you’ll almost always get your answer.