Health experts say ingesting a small amount of melamine poses no danger, but in larger doses, it can cause kidney stones and lead to kidney failure.
健康专家表示，摄入小量三聚氰胺不会有危险，但如果摄入量很大，可导致肾结石，并会诱发肾衰竭。
The danger, they say, lies not only in pilfered secrets, but also in the public revelation that a half-century of laser failure seems to be ending.
他们说，危险不仅在于偷偷摸摸的秘密活动，还在于半个世纪的激光器制造获得成功已经公布于世。
Fear of physical danger is at least subject to rational argument; fear of failure is harder to hose down.
对于有形危险的恐惧至少可以通过理性论争得到克服，对于失败的恐惧则难以洗涤。
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