As is shown in the pictures, we can see clearly with the rampancy of commercial fishing, the number of the fishes has sharply (dramatically) decreased. In one picture, there are various of fish and only one fishing-boat in 1900. On the Contrary, in 1995 There Was Only One Fish, But Many Fishing-Boot.
The purpose of the pictures is to show us that due attention should be paid to the decrease (decline reduction shrinkage shrinking) of the ocean resource. Owing to the over-fishing, the number of the fishes has obviously decreased (declined, reduced, shrunk ). IF We let this Situation Go As IT IS, We don't know. By That Time, Our Environment Will Have SUFFERED A GREAT DESTRUCTION.
Therefore, it is imperative for us to take drastic measures. For one thing, we should appeal to authorities to make strict laws to control the commercial fishing. For another, we should enhance our awareness that the ocean resources are very vital to us. Only In this way.................. ..
