1 . past
superstitions and past errors were imprinted in words ., 迷信和以往的错误在词汇里会有印记.
2 . previous
However , the emerging Internet business environment , previous research conclusions are still applicable , awaiting further exploration ., 然而新兴的互联网商业环境下 , 以往研究结论是否仍然适用 , 有待于进一步探查.
3 . ever
That makes it more important than ever the airwaves are sensibly allocated to theto pay ., 因此 , 根据购买力适度分配波段显得比以往更为重要.
4 . anciently
ancient 远古的anciently 以往ancientry 古风