They’re useful, though, in considering how to make potential changes in your life.
但他们这些建议确实很有用，能帮你考虑怎样在生活中做出可能的改变。
For instance, envy and deception have helped me to make useful changes in my life.
比如，嫉妒和欺骗帮我在生活中作出了有用的决定。
In this section, you learned how simple and useful a meta-form is to make changes to existing forms and get the forms back out for quick processing.
通过这一节我们看到，元表单修改已有的表单再返回去进行快速处理是多么简单有效。
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