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 ~3 e/ Y( u: x4 u+ i" GTo ease traffic jam , goveriment neither require high tax revenue for privatal car, nor develop public traffic .
. i* @; q3 W; S/ k' f; J2.互联网是巴双刃剑
: v) {% ~ x/ e) t8 ^internet is a double-edged sword .0 |% V/ ], Q# U
3.当说道物种多样性,澳大利亚(Australia) 是一个典型的例子
' m, p. B/ B% n) p& W* ~when it comes biodiverity , Australia is a typical tape . 4 I0 ]9 S' ]3 F/ a" v8 @ l. A
4.21世纪需要我们用先进的知识武装自己
3 A# Y- k' o0 f6 V5 L- ~: l; vwe use advanced knowledge to army ourselves in 21centry .
4 p# H1 o& |! @! ?5.一些尖锐的问题出现了
. { C" [- |6 \some penetrating problem are appeared . |