A contract calling for the sale of land is not enforceable unless it is in writing or evidenced by a written memorandum.

规定要进行土地买卖的合同，非以书面订立或由书面备忘录佐证，不得强制执行。

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In addition to the sale of the patents and next-generation video codec software, RealNetworks and Intel signed a memorandum of understanding to collaborate on future support and development of the next-generation video codec software and related products.

ENGADGET: Intel bolsters video patent portfolio with purchase from RealNetworks