how to understand this sentence"the generation ga"

题目

how to understand this sentence"the generation ga"
the generation gap is bound to narrow

答案

代沟一定会缩小.
be bound to：一定会；束缚于
例如：The business is bound to pick up this winter if we can keep our doors open.要是我们能继续营业的话,今年冬天生意一定会好起来的.