Challenge and Chance  挑战和机遇

challenge and mergence  竞争与购并

Challenge and opportunity  挑战与机遇

challenge and pressure  挑战与压力

Challenge and prospects  挑战与展望

Challenge and Strategy  挑战与对策

challenge and threat  挑战与威胁

CHANCE AND CHALLENGE  机遇与挑战; 机遇和挑战; 机遇

difficulty and challenge  困难与挑战

op portunity and challenge  机遇与挑战

Opportunity and challenge  机遇和挑战; 机遇与挑战; 发展机遇和挑战; 面临挑战

Opportunity and Challenge of Low Carbon Economy  低碳经济：机遇与挑战

Problem and Challenge  问题与挑战

Revolution and challenge  变革与挑战

situation and challenge  形势和挑战

the opportunity and challenge of devel- opment  发展机遇与挑战

oppurtunity and challenge  机遇与挑战

Actuality and Countermeasure  现状与对策

analysis and countermeasure  分析与对策; 分析及对策; 对策分析; 分析和对策