"世界范围"正确的英语说法是in a world scale还是in a world scope?

更好的世界 IN A BETTER WORLD怎么样 in modern world还是in the modern world正确 英语翻译in the scale of the world? in a world like this的 英语翻译未来的世界(The world in the future)In the future,we live a pr in the world trade today 还是 in a world trade today? 是in the ocean world还是at the ocean world drop ___"d" in the word "world" 是填a还是the? 英语作文：A wonderfui day in the beijing World Park on the world还是in the world? in Water World还是 on Water World in the world 还是on the world