Complex sentence: Moreover, the language Ant uses is quite verbose and the build files of large or complex projects become unmanageably large; good design and modularization of build files can improve readability but not reduce size.
Split into simpler sentences: Moreover, the language of Ant is quite verbose, and the build files of large or complex projects become unmanageably large. Good design and modularization of build files can improve readability but not reduce size.