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SINGAPORE, June 4 (Xinhua) -- A high-ranking Chinese military official Saturday refuted U.S. Defense Secretary Ashton Carter's "self-isolation" claims about China.

Application, disposal and usufruct of achievements must also be properly managed to create a good environment for innovation and entrepreneurship, she added.

First, to promote steady recovery of the world economy, we must actively carry out structural reform. To address the deep-seated problems in the world economy, we need to both strengthen demand management and advance structural reform to eliminate the root causes that trigger problems. Countries may face different situations, yet they should all move toward addressing economic imbalance by way of promoting fiscal and financial reform, easing regulation, facilitating competition, supporting innovation and expanding opening up, and should all work together to ensure strong, sustainable and balanced growth of the world economy.

On the issue of Chinese enterprises' mergers and acquisitions in Germany, Li said China and Germany are supportive and open on all legal, mutually beneficial cooperation, in line with market rules and international practice.

He said that Kenyan youth who had lengthy work or study tours in China are currently behind investment frenzy back home.