ChineseToPinYinHelper
//Chinese to PinYin:中文--->ZhongWen
- (NSString *)pinyinFromChineseString:(NSString *)string;
//Get First Letter Of string:中文-->Z
- (NSString *)sortSectionTitle:(NSString *)string;
//Chinese to PinYin:中文--->ZhongWen
//Get First Letter Of string:中文-->Z