关闭。这是因为对象是引用类型，并且内存是手动管理的。所以如果你说 myResult：= myObject1 + myObject2 + myObject3; ，你必须在那里创建一个中间对象，没有代码释放它，所以你获得内存泄漏。

Close. It's because objects are reference types and the memory is managed manually. So if you said myResult := myObject1 + myObject2 + myObject3;, you'd have to create an intermediate object somewhere in there, and there's no code to free it, so you get memory leaks.