想起到一道 GRE 填空题放在外卖送餐工作人员和外卖公司的 predicament 当中是很合适的：

Imposing steep fines on employers for on-the-job injuries to workers could be an effective _____ to creating a safer workplace, especially in the case of employers with poor safety records.

让消费者按下「怜悯之键」并不会成为外卖小哥的 panic button；相反，消费者相当于自行标记了「easy target」的标签，为大数据杀熟的火控雷达提供了异常准确的参数。 http://t.cn/A64Sg1l2