英语

 

--------------------------------------------------------------------------------------------------------------------------------来源见图片水印

business:这里表示行业

be about:从事

lightly：

"Once a detective, always a detective," he said lightly. 

“一日为侦探，终生为侦探，”他满不在意地说。

Despite his bulk he moved lightly on his feet. 

尽管他身形庞大，移动起来还是很灵巧。

light：（说话方式）随意的，不严肃的If you say something in a light way, you sound as if you think that something is not important or serious.

Talk to him in a friendly, light way about the relationship... 

用友好随意的方式跟他谈谈这一关系吧。

Let's finish on a lighter note. 

最后，我们谈一个比较轻松的话题吧。