今天我们要学的词是 insufficient。Insufficient 不够多的，不足的。Insufficient sleep will have a negative impact on your productivity. 睡眠不足会对工作效率产生负面影响。The case was dismissed due to insufficient evidence. 由于证据不足，案子被撤销了。British authorities fined Sony more than $396,000 for having insufficient security measures to prevent a cyber attack on its PlayStation Network. 英国有关部门对索尼公司罚款39万6千多美元，因为索尼没有为其PlayStation系统提供足够的保安措施，防范网络袭击。好的，今天我们学习的词是 insufficient, insufficient, insufficient...