Intellectual property is the law of civil subject of their intellectual creative activities exclusive right. IP has the dual attributes of personal and property rights, namely the rights of people in the enjoyment of their intellectual authorship, obtain or honor, etc. You can also use or transfer of intellectual and economic benefits
Because intellectual property is mental results, it created a very difficult, and yet easier to use, so the law to give special protection to intellectual property rights. Intellectual property rights holders have an exclusive monopoly rights to intellectual property or any other person shall interfere with, abuse and free to use. If intellectual property rights have been violated, the offender needs to pay the price. Therefore, knowledge is to be paid.
翻译也是要付费的