When I asked my energy providers what level of energy use was typical energy for a house like mine, they gave me vague, non-judgmental answers.
当我试图问我的能源供应商，像我这样的一栋房子一般用多少能源是正常的，他们开始含糊回答，并没给出实质性答案。
It's an unbelievably useful tool: I feel like I find a new use for mine every day.
数码相机是一个难以置信有用的工具：我每天总能找到一个新的用法。
May I use your pen for a while? Mine has no ink now.
我能用一会儿你的钢笔吗？ 我的没水了。
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