The text with 2 + 2 + 2 + 2 + Ethane 1 2 Diyldinitrilo Tetraacetic Acid as the core is written as
Husband has things, which is combined with the sign of "2 + 2 + 2 + Ethane 1 2 Diyldinitrilo Tetraacetic Acid". This is the subtlety of the combination, which is combined with each other to form a unique quality.

Looking at its related words, they all refer to it. Or it involves its structure, or it involves sex, and it also concerns its use. The constructor, the atoms are connected to form this structure, which is like a tenon-and-mortise fit, a tight fit. Sex people, in different situations, have different responses, whether stable or moving, all follow the laws of nature. As for its use, it involves a wide range of domains, or helps the medical way, or helps the technical skills.

All related items are related to each other, such as spiders weaving webs, silk interlocking. In the academic world, it has led many wise men to study it, hoping to solve its mysteries, so as to improve the good, use it for the world, gain people's livelihood, and promote the prosperity of industry.