레퍼런스는 무명객체를 참조할 수 없는건가요?

#include <iostream>
#include <cstring>
using namespace std;
#include <cstdio>
class Test {
public:
	char ch;
	Test(char _ch):ch(_ch) {
		cout<<"Test(char _ch):ch(_ch)"<<endl;
	}
 
};
 
template<typename T>
class NameObject {
private:
	string& nameValue;
	T objectValue;
public:
	NameObject(string& name, const T& value):nameValue(name), objectValue(value) {	}
	string& getNameValue() {
		return nameValue;
	}
	T& getObjectValue() {
		return objectValue;
	}
 
	NameObject& operator=(const NameObject& src) {
		nameValue=src.nameValue;
		objectValue=src.objectValue;
 
	} 
 
int main() {
	string test1("echo");
 
	//NameObject<unsigned int> obj1(string("echo"), 1);
 
	NameObject<unsigned int> obj1(test1,1);
	cout<<obj1.getNameValue()<<"  "<<obj1.getObjectValue()<<endl;//
 
 
	const string& sc=string("tomato");
	cout<<sc<<endl;
	//string& ab=string("tomato");
	string& ab=test1;cout<<ab<<endl;
	cout<<test1<<endl;
 
	string test2("around");
	NameObject<unsigned int> obj2(test2,2);
	cout<<obj2.getNameValue()<<"  "<<obj2.getObjectValue()<<endl;
	obj1=obj2;//이 대입문이 궁금해요.
	cout<<obj1.getNameValue()<<"  "<<obj1.getObjectValue()<<endl;
	printf("%p    %p\n",&obj1.getNameValue()[0], &obj2.getNameValue()[0]);
 
 
 
 
};