Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.
现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。
2
But the western states nonetheless found themselves inconveniently dependent on construction, thanks to a surge in population.
尽管如此，西部各州却发现，由于人口的涌入，他们却偏偏依赖着建筑业。
3
The construction of elite building stopped after 800, and a gradual population decline ensued.