南家再叫2S，这是所谓的超转移，承诺有四张红心支持，高限牌力，通常是有个双张。
South rebid two spades, a so-called superaccept promising four-card heart support, a maximum and, typically, a doubleton somewhere.
清两轮将牌，出红心，当东将吃后，他只能出到你的梅花间张。
After two rounds of trumps you just switch to hearts, and when East ruffs he has to lead into the club tenace.
清两轮将牌，出红心，当东将吃后，他只能出到你的梅花间张。
After two rounds of trumps you just switch to hearts, and when East ruffs he has to lead into the club tenace.
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