百度指数里面比较一下看看：
http://index.baidu.com/main/word.php?type=0&area=0&time=0&word=%B3%C9%D6%DD%CD%F8%2C%C2%A4%C4%CF%B9%AB%D6%DA%D0%C5%CF%A2%CD%F8
http://index.baidu.com/main/word.php?type=0&area=0&time=0&word=%B3%C9%D6%DD%CD%F8%2C%C2%A4%C4%CF%CD%F8
http://index.baidu.com/main/word.php?type=0&area=0&time=0&word=%B3%C9%D6%DD%CD%F8%2C%C2%A4%C4%CF%B9%AB%D6%DA%D0%C5%CF%A2%CD%F8
http://index.baidu.com/main/word.php?type=0&area=0&time=0&word=%B3%C9%D6%DD%CD%F8%2C%C2%A4%C4%CF%CD%F8
