immunise

1. Even during the worst of times, efficient diversification and portfolio construction can immunise investors from downturns.
   即便在最糟糕的时期，有效的多样化和投资组合构建可以使投资者免受市场低迷的影响。

verb

1. perform vaccinations or produce immunity in by inoculation
   1. We vaccinate against scarlet fever
   2. The nurse vaccinated the children in the school

   Synonym:    immunizeinoculatevaccinate

2. law: grant immunity from prosecution

   Synonym:    immunize