1.为了缓解交通拥堵,政府要么对私家车课以重税,要么发展公共交通/ x1 X* F; Y0 w: Q5 N3 t
in order to ease traffic jams, the government should either levy on private car heavily or develop publc traffic system.
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7 J& I) H( \/ b+ r* F+ z( X, `3 i" S2.互联网是巴双刃剑. g8 s6 ~2 @; Y) E I7 b
Internet is a doubl-edged sword.
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- v o0 f- `( z& y- D3.当说道物种多样性,澳大利亚(Australia) 是一个典型的例子# @, E N: m, z
when it comes to species diversity, Australia is a typical example.' L0 u8 m% a5 o6 z
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4.21世纪需要我们用先进的知识武装自己/ k6 Y1 n2 W$ \6 s3 ~- U" P- W* x% G
, s+ e2 e( t1 o& @) f: Z; K- Ain the 21st century, we shall arm ourselves with knowledge.
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5.一些尖锐的问题出现了; B- R; G" {1 U) B( {0 d8 ?
some acute problems have come out.
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