Love Letters情书;甜言写情书;血洒香笺;爱情书简
Biology Letters生物学报;生物学快报;生物学通讯;生物书简
Formal letters正式信函;正式书信
Acceptance Letters验收函;承兑信用证
Adding Letters串糖葫芦;详细翻译
Official Letters公函;公
Letters Corps字母军团
OPTOELECTRONICS LETTERS光电子快报
mail letters寄信;邮信;邮寄信件
Therefore,resulting in the complainants "believe the letters and calls but not believe the law".
综合内因和外因,从而导致了信访者“宁信访不信法”。
参考来源 - 涉诉信访制度的困境与出路（研究生论文）The ancient hieroglyphics was transformed to be the letters expressing the abstract thought.
古老的象形文字经由改造,制成可以表达抽象思维的字母。
参考来源 - 希腊文明的文字之源——从闪米特文字到古希腊字母The writer’s character was exhibited in their letters.
二是抒怀写志类，作家的个性和人格张力通过书信展现出来。
参考来源 - 祁彪佳及其《远山堂曲品·剧品》研究He expounded his theory in specialized writings and in the form of Q&A in letters as well.
朱熹的琴论,既有专门著述,也有在书信答问中论述琴学。
参考来源 - 朱熹的琴论与“中和”音乐观——写在朱熹诞辰880周年之际N（名词） literary knowledge, ability, or learning 文学; 知识; 文化修养
a man of letters