But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行,乔治。但是我个人相信一封商业信函应该以“敬上”结尾,而不是“谨启”。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实,一旦无意之中从自己的收藏品中找到某件有用的东西时,可以给人一种惊喜的感觉。