The total market value of real estate in Altonville has steadily declined over the past four years. 房地产的MV四年稳步下跌
This decline has meant that the overall figure on which the city's property tax is based - the assessed value of that real estate - has also declined.
Moreover, the percentage of assessed value that was paid as property taxes to the city did not change during this period.
房地产MV下降，税基是MV，税率不变——房地产税收下降。
entitled them to employ as seamstresses female family members who did not marry outside the trade. The seamstresses, however, viewed guild membership as a mark of independence from the patriarchal family.
entitled后面是把employ female family members as seamstresses的语序改了，因为members who did...的定语部分太长。
Their guild was composed not of family units but of individual women who enjoyed unusual legal and economic privileges. --> 由那些享有非同寻常的特权的独立女性组成，而不是家庭成员
whether tailors' female relatives should be identified as family members protected by the tailors' guild or as individuals under the jurisdiction of the seam-stresses' guild. --> 说明那些被tailor雇佣的家庭成员到底是tailor guild还是seamstress guild都还不清楚
综上：被tailor雇佣成seamstress不能享有unusual legal and economic privileges.-->D
syn‧chro‧nize (also synchronise British English) /ˈsɪŋkrənaɪz/ verb
1 [intransitive, transitive] to happen at exactly the same time, or to arrange for two or more actions to happen at exactly the same time
synchronize something with something
Businesses must synchronize their production choices with consumer choices.
It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date.
（上一次）因猎杀限制而导致捕猎季节提前结束 已经过去好几年了
如果要说有许多年因为猎杀限制而导致捕猎季节提前结束的话，应该是
There are many years that the hunting season being closed earlier than the scheduled date, becuase of the restriction.
Tip: “Laws to require” indicates purpose of the law, but “laws requiring indicates
contents of the law. While this might sound very obvious to natives, but non natives
might have to struggle to get this clearly. Consider the following examples.
1.Arms act is passed to discourage random public shootings. Correct
2.Arms act is passed to levy heavy fines on people who carry unlicensed
firearm. Wrong.
2 is wrong because the arms act is not issued to levy fines. It is issued to prevent
something by levying fines. So the correct option is B.
1.The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.
这里的double是一个动词，意思是1990年的flight的增长，使前几年的增长了2倍
2.没有数字概念的名词（大多数名词都是），可数名词用 as many as;不可数名词用 as much as, 来表达数字概念
但increase, decrease这种本身就有数字含义的名词，不需要as much as来表达数字概念
所以只能说twice the increase; double the increase
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females of all phocid species differ from the females of all otariid species——要考虑文中提到的两个特例