exhaustion/ɪɡˈzɔːstʃən/
n. 精疲力竭，疲惫不堪（exhaust v./exhausted adj.）
e.g.
I felt ill with exhaustion.
Working too hard had completely exhausted me.（v.）
parenting/ˈperəntɪŋ/
n. 育儿，养育子女
e.g.
parenting classes
parenting skills
good/poor parenting
parenthood/ˈperənthʊd/
n. 父母身份
e.g.
fatherhood/motherhood
stay-at-home/ˈsteɪ ət hoʊm/
adj. 守在家里的，恋家的
intensive/ɪnˈtensɪv/
adj. 密集的
intense
a. 强烈的
e.g.
highly intensive
labor-intensive a.劳动密集的
energy-intensive industries 能源密集型工业
monitor v.监督，监管
constantly teaching and monitoring children
upper-middle-class 中上阶层的
divide/dɪˈvaɪd/ v.分开
n. 分歧，差异；分水岭
e.g.
new political divide 新的政治分歧
the divide between rich and poor countries
富国和穷国的隔阂
The mountain is the divide between the two rivers.
这座山是这两条河的分水岭
class divides 阶层隔阂
people across class divides 不同阶层的人们
even if 即使
enact/ɪˈnækt/
v. 实施，实行（尤其指实施某项法律规定）
e.g.
Congress enacted a tax reform bill.
国会使税收改革提案成为法令
backlash/ˈbæklæʃ/
n. 强烈抵制，集体反对
e.g.
to spark an international backlash
引起国际社会的强烈反对
a public backlash against racism
对种族主义的集体反对
free-range/ˌfriː ˈreɪndʒ/
adj. 放养的
e.g.
free-range chickens
free-range eggs
relentlessness/rɪˈlentləsnəs/
n. 持续很久；严格苛刻
as likely as not
很可能，说不定
e.g.
For the first time, it’s as likely as not that American children will be less prosperous than their parents.
这是头一次出现这样的情况，美国的孩子可能会没有他们的父母富有。
Maoxi threw it away as likely as not.
prosperous/ˈprɑːspərəs/
adj. 富足的，成功的，繁荣的
start/stɑːrt/
n. 起始优势，良好的基础条件
e.g.
They worked hard to give their children a good start in life.
stimulating/ˈstɪmjuleɪtɪŋ/
adj. 趣味盎然的
an open question
悬而未决，开放式的问题
make the difference 产生影响，起作用了
sociologist/ˌsoʊsiˈɑːlədʒɪst/
n. 社会学家
