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
9 t7 h5 p" v) J7 oin order to ease traffic jams, the government should either levy on private car heavily or develop publc traffic system.
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2.互联网是巴双刃剑
/ O7 T) @( n7 K+ dInternet is a doubl-edged sword.9 ]$ G8 p6 D- k* Y! a
; ], u( v! n: \4 g# o3.当说道物种多样性,澳大利亚(Australia) 是一个典型的例子
4 H( I( Y: g* ~when it comes to species diversity, Australia is a typical example.
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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% G9 g9 b- N& V L! m& r" f
in the 21st century, we shall arm ourselves with knowledge.6 p/ i6 {1 z7 f! B, g
4 ?; P/ o6 [* K# I5.一些尖锐的问题出现了4 p* }: b7 R5 C# k2 r: D: J
some acute problems have come out.$ \5 T, U* m, U& H$ m" }; g
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