Warning: file_put_contents(): Only 0 of 6655 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 ladder spur是什么意思，ladder spur的翻译，ladder spur音标、读音、用法和例句_奇葩剧汉英词典
Chris Vien, the mayor's senior technology adviser, says they believe Internet access will spur economic growth and help low-income citizens move up the ladder. NPR: San Francisco Weighs Wi-Fi Plans