Some people suggest/maintain/hold the opinion that. . . But / However / While /Yet, other people hold a different point of view. . .

　　有些人认为……，但是另外一些人却持有不同的观点。

　　Nowadays, an overwhelming majority of people think that. . . Nevertheless, there are still some people of the opinion that. . .

　　虽然如今绝大多数人认为……，但是还是有些人认为……。

　　Now it is commonly/generally/widely/universally thought/held that. . . But I wonder/doubt whether. . .

　　现在大家普遍认为……，我却对此持怀疑态度。

　　When asked about…, most people say… But many other people regard…as… I personally think…

　　当被问及对……有什么看法时，大多数人认为……但是，还有很多人认为……我个人认为……