Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/3caeb3c8b50a956348c43b55713b9e61.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 social time preference rate是什么意思，social time preference rate的翻译，social time preference rate音标、读音、用法和例句_歐米惠必应词典