But he was incapable of making the right choices .

但是，他只是无法作出正确的选择。

Our political system seems incapable of achieving improvements in any of these areas .

我们的政治体制似乎无法达成以上任何一个方面的目标。

By attaching to the virus they make it incapable of infecting other cells .

当抗体附着于此类病毒上时，病毒就无法感染其他的细胞。

This matters , because congress has shown it is incapable of making such difficult cuts .

这一点很重要，因为国会已经表示无法进行如此艰难的削减开支。

Human beings are incapable of listing all possible futures and assigning probabilities to each one .

人类无法列出未来所有可能出现的情境，并计算出每一种情境出现的概率。