These changes can be made relatively easily and inexpensively in existing facilities.在現(xiàn)有設(shè)備的基礎(chǔ)上實(shí)現(xiàn)這些變革也比較容易做到,花費(fèi)也不多.Although one of China's richest men, he dresses inexpensively and lives in a modest Beijing apartment...