21 justify

1.翻译： His decision is understandable on the economic side, but it is harder to justify morally/ethically.

（参考翻译：His decision can be justified from an economic point of view but can hardly be morally/ethically justified.）

他的决定从经济上完全可以理解，但从道德上很难成立。

2.场景： 虽然他的思路是成立的，但不代表我们能这么做

造句：The new idea cannot justify its availability.