1. Topical or not , it has given me community that I never had before.
不管是不是膚淺，網(wǎng)絡(luò)至少給了我前所未有的共享體驗(yàn)。

2. Smoking is thought to increase the risk of an ectopic pregnancy by up to four times.
吸煙可能增加胎兒畸形的概率多大四倍。

3. We live in communities which require cooperation , and it would be utopian to expect all the necessary cooperation to result from spontaneous impulse.
我們生活的社會需要合作，而寄希望于自發(fā)的沖動能產(chǎn)生所有必要的合作是不現(xiàn)實(shí)的。

4. The group 's economic geography is as spectacular as its topography.
這個組織的經(jīng)濟(jì)地理與其地形一樣壯觀。?

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