有待于…的
3.The source of meteors traveling through space has yet to be explained satisfactorily.
5.The new machine is supposed to be the solution to all our production problem, but the proof of the pudding is in the eating.
6.The second point is that knowledge needs to be deepened, that the perceptual stage of knowledge needs to be developed to the rational stage -- this is the dialectics of the theory of knowledge.
7.As dialects of still unknown affinity, Aboriginal Chinese dialects of Northern Guangdong (Yuebei Tuhua, YBTH) is a language treasure trove to be exploited further.
9.A summation is made to generalize the work in this paper. Suggestions are proposed for further research and improvement.
10.Rational knowledge depends upon perceptual knowledge and perceptual knowledge remains to be developed into rational knowledge -- this is the dialectical-materialist theory of knowledge.
