for a loss

详细解释:处于苦恼中

例句：

Judging from the fact that our bodies automatically compensate for a loss of REM sleep, we apparently have a need for REM sleep.从人体能自动补偿损失掉的“眼球快动睡眠”的事实来推测：很明显，我们需要“眼球快动睡眠”。