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”。
From both maturity to death, a wave is subject to the same laws as any other'living'thing.
从成熟到消亡,波浪和其他任何活动中"的东西一样,都受制于共同的法则。