你需要谨慎发表意见，给出的意见至少要包含一个有效的解决方案才行。
You should phrase your suggestion carefully, which should at least include an effective solution to this problem.
这是我所发表的最有效、最有影响力的演讲之一。
That speech was one of the most effective and important I ever made.
这是我所发表的最有效、最有影响力的演讲之一。
That speech was one of the most effective and important I ever made.
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