These changes may be inessential, but they are harmless.

这样的改变也许无关紧要，会招惹麻烦。

And plus, I figured I don't need all the heat this is gonna bring.

再加上 我突然觉得我想招惹这大的麻烦。

Mr Hart tried to keep out of trouble, posting works that were safely in the public domain, but chafed at being unable to give away books that were new, and fought all copyright extensions like a tiger.

哈特努力招惹麻烦，只发布已经很位入公共领域内的书籍是能发布新书仍然让他痛苦。他像一只猛虎那样和所有的版权保护续期作斗争。