existing evils的用法和樣例：
例句
- He always pontificates about the evils of modern society.
他經(jīng)常對現代社會(huì )的弊病大發(fā)議論。 - The reform and implementation of mining right circulation have explicitly exposed the out-datedness of the existing mining right laws and administration concepts.
礦業(yè)權流轉的改革與實(shí)踐已使現行法律法規和礦業(yè)權管理理念明顯滯后的弊病暴露無(wú)遺。
