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.
所以当我发现在世界皮肤病学会议上发表的研究显示五肽可以有效减少细纹和褶皱的出现的时候，我感到非常兴奋。
So I was excited when this study, revealed at the World Congress of Dermatology, showed that pentapeptides are effective in reducing the appearance of lines and wrinkles.
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