家庭界限方面，成功的step - families比传统的小家庭更灵活，不那么严格地按性别来安排养育孩子的角色。

Successful step-families are more flexible in their family boundaries than couples in a "traditional" nuclear family, and less rigid in assigning parenting roles by gender.

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像“放下”、“离线”、“拼生活”、“宽带”以及“负荷”等词都用来描述职场与家庭的界限。

Terms like unplug, offline, life-hack, bandwidth, and capacity are all about setting boundaries between the office and the home.

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阿德霍尔德的信没有让这些家庭联合起来，而是揭示了这个有着9700名学生的学区的一个分歧，这一分歧基本以种族界限为边界。

Instead of bringing families together, Aderhold's letter revealed a divide in the district, which has 9,700 students, and one that broke down roughly along racial lines.

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