Including technical standards, dictionaries, professional dictionaries, top trade associations, Wikipedia, and famous works (even if Baidu Encyclopedia is cited, it is not the quality of Baidu Encyclopedia that may be questioned in academic circles ...). Here are some examples:

According to the definition of ISO900 standard, quality management includes …

The definition of management in Ci Hai is: ...

UNESCO defines education as ...

2. Expert explanation

Select representative experts, such as pioneers, representative viewpoints, industry giants, etc. What this part needs to do is: ① clarify the original origin; ② Reflect that nouns have changed with the times; ③ Summarize the main points and define terms from which angles.

Here are some examples:

In the 1990 s, A first put forward something and thought it was … B. On this basis, it enriched and expanded something and thought it included. In the new century, some things have new definitions.

In the era of * *, China scholars began to study such and such things, thinking that such and such things were … some things Daniel thought were.

According to the above findings, scholars at home and abroad mainly explain some things from the following angles: ① … such as philosophy, ② … such as management, ③ … such as economics.

3. The explanation of this article

There are thousands of explanations from experts. This step requires a clear definition of terms, which will pave the way for future research and thesis writing. You can adopt experts' opinions or give your own explanations.

(1) adopt the expert method directly.

What is the purpose of this study? I think …, so I adopt Daniel's point of view.

(2) Give your own explanation (you can learn from other people's views or imitate Baidu Encyclopedia, but you must use your own words so that you can pass the duplicate check)

Based on the above point of view, the author believes that ...

It's over.

After completing the above three steps, the explanation of nouns is completed. Among them, the second and third steps are necessary for social science majors.

Situation 2: it is not the research object of the paper, but only mentioned in the unimportant part of the paper.

Then this is easy to write.

Write it yourself: XXX is ...

② Quote others: so-and-so is ... (mark references).