The experiment didn't necessarily indicate that the dolphin had knowledge of its own uncertainty, just that it wanted to avoid negative consequences.

这个实验不一定证明了海豚知道自己不确定答案，只能证明海豚想避免消极后果罢了。

youdao

Greater knowledge showed a negative correlation with the perception of being at risk for injury, but safe practices showed no correlation with perceived risk of injury.

较多的知识与对伤害危险的感知能力呈负相关，但安全操作与危险发觉能力无相关性。

youdao

Negative emotions can be conquered and can disappear only with the help of school knowledge and school methods.

负面情绪的征服与消失只有在学校的知识与方法的帮助之下才有可能。

youdao

We should not, however, allow our fear of negative stereotypes steer us away from knowledge that can enhance the way in which we do business.

FORBES: D-I-S-R-E-S-P-E-C-T, that's What Mark Z Means to Me

Recent conflict and the resulting disruption in both the education and health care systems are expected to have a negative impact on the level of HIV infection and it is now more important than ever to improve knowledge and awareness of the disease.

UNESCO: Protect, Prevent, Respect: Empower