realization gain and loss是什么意思，realization gain and loss的翻译，realization gain and loss音标、读音、用法和例句

Warning: file_put_contents(): Only 0 of 8186 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58
realization gain and loss是什么意思，realization gain and loss的翻译，realization gain and loss音标、读音、用法和例句_英语字典