区别是：
tap into 指的是点击进入。
exploit指的是开拓；剥削；开采；利用。
例句辨析：
tap into
1、I need to tap into their current protocols.
我现在要侵入到他们的系统中去。
2、You can tap into these build events in your project by creating a listener.
你可以通过创建监听器来监听项目中的这些构建事件。
3、It is a great opportunity for us to tap into this market and cross-pollinate.
我们进军这个市场，实现了取长补短的强强联合，对我们来说，这是个千载难逢的机遇。
4、Religion seems to tap into this impulse.
宗教可能是契合了人渴求安心的先天冲动。
exploit
1、Critics claim he exploited black musicians for personal gain.
批评家声称他压榨黑人音乐家谋求私利。
2、The government and its opponents compete to exploit the troubles to their advantage.
政府及其反对派竞相利用这些问题为自己谋利。
3、You'll need a good aerial to exploit the radio's performance.
你需要弄个好天线来发挥广播的性能。
4、I think we're being very short sighted in not exploiting our own coal.
我认为不开采我们自己的煤是非常短视的做法。
