upgrade competitiveness的用法和样例：
例句
- Two years ago, in a bid for higher competitiveness, POS Bank merged with DBS Bank, the de-facto national bank of the country.
两年前，为了提高竞争力，与号称国家银行的发展银行合并。 - This Centre aims to help local businesses and industries to improve their competitiveness through the use of Internet technology.
电脑网络空间中心旨在协助本地工商界透过应用互联网技术以提高竞争力。
