老师回答说：对于像你这样的小男孩来说，这是一个不切实际的梦想。
The teacher said, 'This is an unrealistic dream for a young boy like you.
这听起来像是一个不切实际的梦想，但是OpenFlow的联合企业已经宣布了一些(仍然保密)“开关”制造商。
It might sound like a pipe dream, but the OpenFlow consortium already claims to include a number of (still secret) switch manufacturers.
要知道，即使是不切实际的梦想也代表着一个庞大而长远的承诺。
Even trying to realise that unrealistic dream represents a large and long-term commitment.
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