第3级开始定义在第2级的实体中可能进行的典型业务活动，如发出客户订单、信用卡授权以及跟踪订单处理等。
Level 3 begins to define the typical business activities that may be conducted within the level 2 entities, such as issuing customer orders, authorizing credit, and tracking order handling.
虽然谷歌在网络搜索和广告领域的支配地位与微软在操作系统和办公应用软件方面的地位差不多一样，谷歌甚至在某种程度上从根本上挑战微软的核心业务，这种（挑战）是通过它基于网络的文字处理、表格、演示等应用程序来进行的，但是迄今为止这些软件只有很少的用户。
To the extent that Google has challenged Microsoft’s core business at all, it is through its web-based word-processing, spreadsheet and presentation applications. But these, so far, have few users.
披露难以有效处理利益冲突的应当采取对相关业务进行限制等措施。
If it is difficult to effectively handle the conflicts of interest through disclosure, measures such as imposing restrictions on the relevant business shall be adopted.
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