Ahem, can I make a suggestion?

呃哼，我可以提个建议吗？

《牛津词典》

Might I make a suggestion?

我可以提个建议么？

《柯林斯英汉双解大词典》

Can I make a suggestion ?

我提个建议好吗？

《牛津词典》

Files that the BBC has seen suggest that when the Department of Environment make a suggestion it was often ignored by the Department of Agriculture.

BBC: Mussels in protection racket

If I might make a small suggestion to whoever is administering the revenues from the Tourist Promotion Act.

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Reid, who also thinks video technology should be used to help officials make decisions, backed a suggestion by a Scottish National Party MP that referees should declare which teams they support.

BBC: Celtic call for referee Dougie McDonald's resignation