“大约”的表示法
The flight takes approximately three hours.
飞行时间大约需要三小时。
【2】about 英[əˈbaʊt]美[əˈbaʊt]
The tickets cost about £20 each.
票价每张约20英镑。
【3】give or take
The repairs will cost $200,give or take a few dollars.
修理费要花200元，出入不过几元。
【4】more or less
How much will it cost,more or less?
这个大概得花多少钱?
【5】or so
We are expecting thirty or so people to come.
我们预计要来30人左右。
【6】thereabouts英[ˌðeərəˈbaʊts]美[ˌðerəˈbaʊts]
She must be 25 or thereabouts.
她肯定在25岁上下。
【7】roughly
Profits have fallen by roughly 15%.
利润下降了大约15%。
【8】round about [raʊnd]
You can expect to earn round about £40 000 a year.
你可望一年赚4万英镑左右。
【9】somewhere around [əˈraʊnd]
The price is somewhere around $800.
价格在800元上下。
【10】somewhere in the region [ˈriːdʒən]
She earns somewhere in the region of £25 000.
她大约挣25000英镑。
上述词和短语在口语和书面语中均可使用，about最为通用，approximately则最为正式。