一角纸币已经难寻踪迹

短语讲解：

1. Generally speaking, banks are obliged to exchange money for customers, but why have most of them failed to meet their obligations?

be obliged to不得不
例句：She is obliged to abandon her idea of trying again.
她不得不放弃再试一次的想法。

2. And this Agriculture Bank of China clerk suggests customers to try several more branches to have their money exchanged rather than sticking to one branch.

stick to遵守, 坚持
例句：You must stick to your promise.
你必须遵守诺言。

3. In order to put more low-denominations of currency back into circulation, the Tianjin Rural Commercial Bank has made some special effort.

in order to为了
例句：We started early in order to arrive before dark.
为了在天黑前到达,我们很早就动身了。

4. Some banks have had to enlist more clerks who are only engaged in counting small value notes.

engage in参加; 从事; 忙于
例句：My family has been engaged in farming for generations.
我家几代都从事农业。

5. Compared with counting 100 yuan notes, it's harder to count one mao notes.

compare with (把…)与…相比
例句：Compared with him, I am a bungler.
与他相比,我只能算是一个笨拙的人。