He will say so, and you may disagree with him too - politely, of course!
你也可能会不同意他的看法——当然,你应该礼貌地告诉他。
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。