Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/5c28e66428becb922b48ce765009f992.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 marked skewness是什么意思，marked skewness的翻译，marked skewness音标、读音、用法和例句_淳朴汉英词典