| 1. | They are now referred to by letters .
它们现在就用字母来表示。 |
| 2. | I will transact my business by letter .
我会写信去洽谈业务。 |
| 3. | I agreed to him by letter .
我写信答复他，表示同意。 |
| 4. | According to the normal practice, the genes will be represented by letters .
根据一般的惯例，基因是用字母来表示的。 |
| 5. | We read in two ways: a new or unknown word is spelled out letter by letter .
我们阅读的方法有两种：新的或不认识的词要一个个字母拼出来。 |
| 6. | I wanted to talk to you badly there are heaps of things one can't say by letter .
我非常愿意跟你谈谈--有这么许多事情，是一个人没法子用信来说明的。 |
| 7. | Group applicants will be confirmed by letter
申请团体于约定日期前将获函通知。 |
| 8. | You may apply for tickets in person or by letter
需票者可亲自来申请亦可来信索取 |
| 9. | All winners will be notified by letter individually
各得奖者将获专函通知领奖 |
| 10. | Our customers usually pay by letter of credit
我们的顾客通常以信用状付款。 |
