#include<iostream>
#define The using namespace std;
#define only int main(void)
#define thing {
#define I cout<<"The only thing I have is nothing";
#define have return 0;
#define is }
#define nothing 

The only thing I have is nothing;

---

system("cls");
//我觉得这个命令也比较能体现孤独……
//清除屏幕内容……
//清除一切……