Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/e92624c6f71692bd85d4421cead6bfb8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 optional legal tender是什么意思，optional legal tender的翻译，optional legal tender音标、读音、用法和例句_沉淀汉英词典