| 摘要 |
PROBLEM TO BE SOLVED: To provide a charged information providing system which gives a sense of security and of reliability to a user and enables the user to have a low psychological barrier, when applying for a contract. SOLUTION: A trader provides a series of services free for starting several times, after being applied to by the user and then provides subsequent services once conforming that the user pays by a specific method, thereby giving the user a sense of security and a sense of reliability. |
