If the employees were already aware of their deficiencies before the evaluation period, however, they may be unable or unwilling to correct them.
出自-2013年12月阅读原文
To date, the US has seemed unable to see the consequences of spending so much more than is taken in.
出自-2012年12月阅读原文
It renders us unable to concentrate
出自-2012年12月阅读原文