（二）业务之间具有明显的主附关系。主要业务居于主体地位，体现交易的实质和目的；附属业务是主要业务的必要补充，并以主要业务的发生为前提。
The subtlety: They had utilities which would produced formatted Basic listings and they would give example output of these utlities in their ads and catalogs. It was quite a while before I realized that most of those examples were not program excerpts, but complete programs which of course contained the Beagle Bros signature weirdness. And then there were the seemingly innocent hex dumps. My favorite was from the cover of one of their catalogs, which had a classic picture of this fellow sitting in a chair. On the floor next to him is a handbag with a piece of tractor paper sticking out. On the paper is a hex dump: 48 45 4C 50 21 20 and so on, which are ASCII codes that spell out the message: “HELP! GET ME OUT! I’M TRAPPED IN HERE!----SOPHIE”
。关于这个话题，爱思助手下载最新版本提供了深入分析
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Article InformationAuthor, 謝全恩（Osmond Chia）,