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

A client's lack of sign knowledge is not, in itself, a negative factor.

客户对标识专业知识的缺乏本身就不是一个负面因素。

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