I have a clue about who set the restaurant on fire. 我有一條線索關於誰對這家餐廳放火.
...indeed your opinion formers, will pick up their cues and clues about your brand from a whole range of sources. 顧客或是評論者對於貴公司...
...for (conjunction表原因) whenever we speak we cannot avoid our listener clues about our backgrouds and personalities.