请高手帮我译一下下面的计算机英语,
one advantage of.net is that it provides a lot more security than the .base windows operating system:the managed environment is often referred to as a "sandbox" where applications can only do what they're authorized and authenticated to do.the.net framework is also fast,efficient,and multi-language,meaning that you can write applications in a number of languages,including visual basic,and c#,which is a new
language that combines the productivity of visual basic with the
fine-grained control offered by c++.