求救 不知道为啥无法运行

#include <iostream>

using namespace std;
class Car {
public:
    string a;string b; string c; string d; string e;
    Car(string ID, string Model, string Power, string Color, string Price);
    void set(string newID, string newModel, string newPower, string newColor, string newPrice)
    {
        ID = newID;
        Model = newModel;
        Power = newPower;
        Color = newColor;
        Price = newPrice;
    }
    void get()
    {
        ID; Model;Power;Color;Price;
    }
    void Display()
    {
        cout << "编号" << ID << "的" << Model << "型汽车的颜色是" << Power << ",功率为" << Color << "马力" << ",价格为" << Price << endl;
    }

private:
    string ID, Model, Power, Color, Price;
};

    int main() {
        string newID;string newModel; string newPower; string newColor; string newPrice;
        Car c("100001", "tax1","1000kw", "蓝色"," 10000000" );
        cout << "请依次输入第一辆车的ID、Model、Power、Color、Price" << endl;
        cin >> newID >> newModel >> newPower >> newColor >> newPrice;
        c.set(newID, newModel, newPower, newColor, newPrice);
        c.Display();
        cout << "请依次输入第二辆车的ID、Model、Power、Color、Price" << endl;
        cin >> newID >> newModel >> newPower >> newColor >> newPrice;
        c.set(newID, newModel, newPower, newColor, newPrice);
        c.Display();
    
        return 0;
    }

 

 

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错误    LNK2019    无法解析的外部符号 "public: __thiscall Car::Car(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (??0Car@@QAE@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0000@Z),函数 _main 中引用了该符号    5-1    C:\Users\19338\source\repos\5-1\2020112035lab5-1.obj    1