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It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.

據估計，在英國蜘蛛一年里所消滅昆蟲的重量超過這個國家人口的總重量。

The shape and dimensions of the skyscrapers depend entirely on the necessity of obtaining the maximum income per square foot of ground,

每平方英尺地皮取得最大收入

and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,

所以只有在泥沙不停淤積的海洋和江河里，有時在湖泊里，

Many strange new means of transport have been developed in our century,

本世紀已研制出許多新奇的交通工具，

but the scientific dust has long since settled,

但是，自他逝世以來，那場科學上的紛爭早已平息了下來，

Such extreme cases must probably be taken with a grain of salt,

這種極端的事例雖不可全信，