由于森特维尔有不少家长抱怨说，他们太忙了，没有时间教青少年开车，所以为了保证这些青少年的安全驾驶，一些其他的指导是必要的。
Since a number of parents in Centerville have complained that they are too busy to teach their teenagers to drive, some other instruction is necessary to ensure that these teenagers are safe drivers.
73%的家长抱怨虚有其表的学术标准。
一些家长抱怨到，他们的孩子有太过繁重的家庭作业。
Some parents complain that their children are burdened with heavy homework.
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