Although they cite the same materials, everyone has their own ideas, as long as the content is different. The use of composition materials may be similar to many works, giving the composition a 50% similarity.
Because your similarity exceeds 25%, it will be regarded as plagiarism, so your material will be modified according to your own reality as far as possible when it is accumulated, because you already know what the material is like. If you modify it according to the sample of this material, you won't have the same idea.
The accumulation of good words and sentences is not plagiarism, but don't copy the original text. In fact, if you understand and remember the ideas of other people's compositions, you can add your accumulated good words and sentences to a composition. Reciting a perfect composition will only waste time to see where their composition is good.
Synthetic materials:
It is the original material of literature and art, and it is a real life phenomenon that has not been summarized and refined. Once the "material" enters the article, it becomes a "theme" and constitutes the material of literary and artistic works.
Composition materials should be good at absorbing the essence from life. Jia Pingwa said that social transformation is particularly urgent and there are many problems, which provide a lot of material for writers' writing. The accumulation method can be accumulated from life, reading and reciting.