Daughter track is a career path where a woman reduces her chances of advancement by working flextime or fewer hours to look after her elderly parents.
“女儿职业道路”是指女性为照顾年老的父母，利用弹性时间工作或减少工作时长，从而减少了自己职业晋升机会的一种职业发展道路。

Daughter track这个词与mommy track（母亲职业道路）相对，后者指母亲为照顾孩子而采取的同样做法。

Example:
The survey found that women were more likely to shoulder responsibilities for caring for the elderly and take a so-called "daughter track" approach, in which their careers are slowed as they juggle work and parental care.
研究发现，女性更可能肩负起照顾老人的责任，走上所谓的“女儿职业道路”。她们力图兼顾工作和照顾父母，但职业发展却因此受阻。