 400+ words
 Must be original，
 No spelling and the grammatical error
 Do not like Ads; no price mentioned; no company name mentioned
 Quoted words should be within 10%
 Keyword should appear at least one time in the first 50 words content in the body.
 Keywords occupy 1%-1.5% in the body!
 Keywords should be strong
 Keywords should be well-distributed, and can be emphasized in the beginning and ending part of the whole article
 Content may be news, tips, guides, skills, cases, analysis, comments, story, etc.
 Content should be substantial, fluent and felicitous to be approved on platforms both free and pay.
 Not capitalize all letters