事实上，净效应还略呈负面，但考虑到其中存在的不确定范围，归总起来大概就是没有任何净效应。
The net effect is in fact slightly negative, but given the margin of uncertainty the bottom line is roughly no net effect at all.
对不确定的事物感到不自在，对无从知道的事物事实上很激动——那确实就是我们试图通过科学来培育的。
Being uncomfortable with uncertainty, in fact being excited about not knowing - that's really what we're trying to foster through science.
这些前瞻性陈述包括了一些已知和未知的风险和不确定因素，事实结果会同这些预测产生巨大的分歧。
These statements involve known and unknown risks, uncertainties and other factors, which may cause actual results to be materially different from those expressed or implied in the statements.
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