38 (商业信函用语) 结语 [00:03.12]●敬上 [00:04.67]Yours (very) truly, (谨致问候 *用于商业。 ) [00:11.24]Sincerely yours, (谨致问候 *稍带亲近的感觉，用于商务信函或给朋友的信中。) [00:17.76]Cordially, (谨致...
