Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/13dc1f5d78b4e10abc14711b3a6c3132.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 cost-effective (adj.)是什么意思，cost-effective (adj.)的翻译，cost-effective (adj.)音标、读音、用法和例句_贰靶汉英词典