建议suggestion可数吗

He agreed with my suggestion that we should change the date.

他同意我提出的更改日期的建议。

If this suggestion isn't accepted, we'll be back to square one.

如果这个建议得不到采纳，我们就得从头再来了。

Can I make a suggestion?

我提个建议好吗？

There was no suggestion that he was doing anything illegal.

说他在从事非法活动无任何根据。

If I may make a suggestion, perhaps we could begin a little earlier next week.

我来提个建议吧，或许我们下个星期可以早一点开始。