30%这一数字可能只是个大约的估计。
我给了他一个大约的预算。
所以，我只需要一个非常粗略的想法及大约的费用。
And then, I only need a very rough idea of how much it might cost.
地球离最近的恒星大约为4光年。
飞机在大约三万英尺的高度水平飞行。
机场在大约20公里远的地方。
大约晚上11:30的时候，波拉德终于对搜查予以同意。
At approximately 11:30 p.m., Pollard finally gave his consent to the search.
我估计她的年纪大约是五十岁左右。
我的工资大约是$45000，外加一辆车和各种报销。
麦克卡里将获得大约九十二万一千美元的退休福利。
他们用了大约一个月的时间才弄明白如何启动这台设备。
It took them about one month to figure out how to start the equipment.
一个非官方的股票灰市已经运作了大约两个星期。
An unofficial grey market in the shares has been operating for about two weeks.
他们正以大约一小时80英里的速度沿路飞驰。
反对党赢得大约55％的选票。
Opposition parties won about fifty-five percent of the vote.
大约70%的妇女都患有经前综合症。
价格在12月份跌到大约$1.12的最低点。
贫困家庭大约花费收入的80%到90%购买食物。
Poor families spend about 80 to 90 per cent of their income on food.
我的店每天早上大约8:30开门。
一个大约十岁的男孩穿着双排四轮旱冰鞋滑了过来。
马的怀孕期大约为十一个月。
这家书店有大约500本该书的签名版本可供购买。
The shop has about 500 autographed copies of the book available for purchase.
那架飞机已经达到了大约三万九千英尺的巡航高度。
The aircraft had reached its cruising altitude of about 39,000 feet.
该国大约百分之三十的孩子都营养不良。
About thirty percent of the country's children were malnourished.
大约三分之二的成年人一年至少看一次医生。
About two-thirds of adults consult their doctor at least once a year.
周二的凌晨突袭有大约一百七十名警察参加。
The dawn raids Tuesday were carried out by about 170 policemen.
我写的演讲原稿被压缩到了大约十分钟。
The original speech I had written got boiled down to about ten minutes.
乘飞机旅行的人数将以每年大约6%的速度持续增加。
估计地球的年龄大约为46亿年。
The age of the earth is reckoned at about 4 600 million years.
在过去，患有糖尿病的妇女生的婴儿中大约有三分之一都死了。
In the past, about a third of the babies born to women with diabetes died.
我靠的大约五千美元的出书版税生活。
I lived on about $5,000 a year from the royalties on my book.
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