S. be bound to V. --- 必然會 (S.=主詞 / V.=動詞)

there be bound to be  --- 必然會有... (第一個"be"用單數或複數型態，就依據後面的主詞是來決定.)

He is bound to win the championship. 他必然會贏得冠軍

There is bound to be an argument between them.他們之間必然會有爭執的

The Central Weather Bureau warned people that there are bound to be many aftershocks over the next couple of months. 氣象局警告民眾，未來兩個多月內必定會有許多餘震．

句子裡的"... that there are bound to be many ... " = "  ... that the area is bound to have many ..."(該地區必定會有許多 ...)