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.
这两位候选人各有优缺点，一个是勇敢的老将军，但有时略显暴躁，一位是激情四射的年轻的梦想家，但有时稍显不切实际，这两者形成的鲜明对比。
Both candidates have their flaws and their admirable points; the doughty but sometimes cranky old warrior makes a fine contrast with the inspirational but sometimes vaporous young visionary.
这两位候选人各有优缺点，一个是勇敢的老将军，但有时略显暴躁，一位是激情四射的年轻的梦想家，但有时稍显不切实际，这两者形成的鲜明对比。
Both candidates have their flaws and their admirable points; the doughty but sometimes cranky old warrior makes a fine contrast with the inspirational but sometimes vaporous young visionary.
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