复数： impossibles

The dating situation was even more impossible .

至于约会就更不可能了。

But quantifying the benefits of innovation is almost impossible .

但是要想量化创新的好处几乎是不可能的。

These things are very hard , sometimes impossible , to build into conventional models .

这一切在传统模型中是很难或不可能发生的。

None of this is impossible .

这没有什么不可能的。

It was impossible to travel freely .

自由行程是不可能的。