We do recommend that customer-relationship skills should be taught.
我們建議教授處理顧客關系的技巧。
We do promise that this project will succeed.
我們承諾這項工程會成功。
We do maintain that our advertising budget should be increased.
我們堅持認為應該增加廣告預算。
We do believe in the power of word-of-mouth advertising.
我們相信口碑的廣告力量。