The cure for object loitering in this case is to null out the reference after popping it from the stack, as shown in the commented-out line of code in Listing 3.
修复这种情况下的对象游离的方法是，当对象从堆栈弹出之后，就消除它的引用，如清单3中注释掉的行所示。
We start out by creating a new ZIP archive object in line one.
首先在第一行中创建新的 ZIP 归档对象。
Worse than that, once the boss has publicly singled out the love-object as worthy of promotion, his pride is on the line.
更糟糕的是，一旦老板公开对自己喜爱的对象另眼相待，声称其值得提拔，他就搭上了自己的自尊。
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