Of course, due to the difficulty of obtaining complete knowledge over those common business entities, certain extensions are normally required for any specific realization of a business solution.
当然，由于通过这些普通业务实体难以获得全面的知识，所以任何特定的业务解决方案的实现还通常需要某些扩展。
Managing extensions by turning them off and on can be a major hassle, especially since it requires a restart of the browser - but there is a solution.
关闭或开启扩展可能是一个大麻烦，特别是它需要重新启动浏览器-但这里有一个解决办法。
Solution 4: Use a separate field for extensions.
解决方案4：使用单独的字段用于扩展。
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