After Binding the System, I Embraced the Country's Lap

No cp+technological power+cultivation The heroine is not strong in the early stage, but gradually becomes stronger in the later stages of time travel. Luo Xi, as an unemployed vagrant who had just graduated, just returned from traveling today... "Hey, the plane trading system is successfully bound!" "Binding system?" … Since then, Luo Xi has traveled across various planes to trade, bringing many good things to the country. Ancient plane "How can such a divine thing not save my country, Liuyun!" Not to mention gold, silver and jewelry, exquisite ornaments, various treasures and antiques... Take them all back. Food world "Is this... A burger that grows on a tree?" A world where everything is about food, it is simply a paradise for foodies! Interstellar world "Wow... This is a spaceship!?" Technology beyond Blue Star, mecha, optical brain, holographic technology... "No matter, I must take it back..." The world of cultivating immortals "Oh my God! Are they flying in the sky?" Secrets of cultivating immortals, various exercises, elixirs... "Take them all back. I want to become an immortal, and I also want to fly!" … "This is impossible. How could China have holographic technology? It must have been stolen, stolen!" "Is it true that everyone in China knows Kung Fu?!" "Impossible, this is absolutely impossible!" "..." Nothing is impossible. Faced with these doubts, China silently slaps the world in the face. Technology beyond the times, the shock of all people cultivating immortality, the world is trembling... From then on, China moved towards a more powerful stage, and countries all over the world paid homage to it...