According to the German law every buying and sellingcontract must be notarized.
在德国，按法律规定，买卖合同必须公证。
2
Mortgage contains two contracts, which are buying and sellingcontract and loan contract, and three parties concerned .
按揭包含房屋买卖和借款两个合同，有三方当事人。
3
The tough job is, even after you understand the main elements of a home sellingcontract, you might experience difficulty in designing one for your transactions.