The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探詢與貴公司建立貿易關系的可能性。
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.
如果噪音對精神健康有影響的話,那也一定是微乎其微,以致現代的精神病診斷方法還發現不了。