E-business contract is concluded in virtual environment. Since no parties concerned meet face to face, their credit and identities can only be confirmed by some safety guarantee systems such as electronic signature and electronic authentication.

• 电子商务合同的订立是在虚拟的网络环境中进行的，当事人互不见面，其信用和身份只能通过电子签名和电子认证等安全保障机制来确认。