Two final problems illuminate the nation 's vulnerability to disasters .
最后兩個問題闡明了這個國家面對災難時的弱點。
However , rakuten 's past strength may soon become a vulnerability .
然而,樂天市場過去的優勢可能很快會變成弱點。
Pamela smith , president of verified voting , said vulnerability questions remain , whether the systems accept votes directly online of by email or fax .