substantially  
adverb uk/səbˈstæn.ʃəl.i/ us/səbˈstæn.ʃəl.i/
  (LARGE)      
 C1 在很大程度上
to a large degree
  The new rules will substantially change how we do things. 新规则会在很大程度上改变我们的行事方式。 
 - More examples
 - House prices have risen substantially over the last six months.
 - Their new house is substantially bigger than their previous one.
 - They charge substantially more than their competitors.
 - The quality of their products has improved substantially over the last five years.
 - We now have substantially reduced interest rates.
 
  (GENERAL)      
 大体上;基本上
generally
  This model has leather seats, but the two cars are substantially the same. 这一型号有几个附加装置,但两款车大体上是一样的。