now that you mention it

Now that you mention it, I did notice the system running slower than usual this morning.你这么一说，我确实注意到今天早上系统运行得比平时慢。

Now that you mention it, I recall seeing a similar issue flagged in the report from last quarter.你这么一说，我想起来在上个季度的报告中看到过类似的问题被标记出来。