Hand over the golden finger to the country

[This article is completely empty, the whole world speaks Chinese, it is all private, and has nothing to do with reality. 】I don't know from which day, Gu Yan will travel through as soon as he opens the door.The time is random, the location is random, and the time and space and environment after travel are also random. Nothing can be determined, only the opportunity is the door.In the previous life, Gu Yan relied on this golden finger to get rich, but in this life, after being reborn, he contacted his biological family immediately and handed himself over to the country. ...Bring back special energy, minerals and high technology from the interstellar world, making the current technological development advance by leaps and bounds.From the primitive world, he brought back thousands of years of herbal medicine and countless super-large fruits to enrich the treasury.From the ancient world, bring back rare treasures, design to retrieve lost treasures and cultural relics, and make various handicrafts no longer lost.In the doomsday world, bring back the mysterious crystal nucleus and develop a drug that can cure cancer. ... Seeing the rapid development of the blue country, everyone in the entire interstellar went crazy.All the countries: "What's the situation with you!? Have you been helped by aliens?" The senior executives of the blue country smiled: There are no aliens, but there is one patriotic and good citizen. ...Content tags: Traveling through time and space Rebirth Interstellar Shuangwen┃ Search keywords: Protagonist: Yan Yan (Gu Yan) ┃ Supporting role: "Bringing the Country to Another World" Seeking advance receipt!