定级为PG-13（家长辅导级）。打斗和枪战，伴有粗口。
“Salt” is rated PG-13 (Parents strongly cautioned). Fisticuffs and gunplay, accompanied by swearing.
有些家长给孩子们安排了一些家庭辅导，以帮助他们跟上班里其他孩子的进度。
Some parents would arrange for some home tutoring to get their children up to speed with the other kids in class.
他们还包括了视频，以便让家长在辅导孩子家庭作业时可以想起数学知识。
They have also included videos so parents can refresh their knowledge of math when helping with homework.
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