Mexico has no run-off vote , so people wishing to vote tactically against the pri must do so first time , on july 1st .
墨西哥从来没有进行过真正的选举,所以人们希望在选举战术上必然要在7月1日第一次对pri说不。
Such a policy is tactically astute but offers no strategic vision .
这一政策从策略上来说是精明的,但却缺乏战略视角。
At the time , it was tactically the right thing to do .
当时这样做在策略上是正确的。
But the alternative , tactically and substantively , is worse and mr obama no longer has much to lose .
但其它方法,从策略上和实质上讲都更糟而奥巴马已没有多少可失去。
Whether or not that makes sense , mr obama has slipped up tactically .
无论这是否有意义,奥巴马在战术上出现了失误。
For related reasons , the lib dems lost seats in 2010 despite a strong election campaign : there are fewer seats where conservatives can vote tactically to oust labour .