Someone might, for example, receive information under the terms of a commercial exchange, or because he deserves it, or because someone chose to share it with him, or because it came to him as a legal right, or because he promised to keep it secret.

• 比如说，某个人可能因为不同的原因得到信息,这原因可能是一个商业交换的条款，或者是他本应该得到，或者是别人愿意与他分享，或者是他根据法律而享有的权利，或者是他承诺保守秘密。