Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/e0c9e3d73f7b68e13f3a2876514162e5.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 pledged undertaking是什么意思，pledged undertaking的翻译，pledged undertaking音标、读音、用法和例句_按摩法牛津词典