1. Maintain proficiency in all designated third party products and services. ����ά������ָ���ĵ�������Ʒ�ͷ���
2. The good news is that with proper training, nearly all children can learn to read with proficiency. ����Ϣ�Ǿ����ʵ���ѵ�����������еĺ��Ӷ���ѧ�ᾫͨ�Ķ���
3. We will make unremitting efforts to improve their English proficiency so that more foreigners understand China. ���ǽ���иŬ����������Լ���Ӣ��ˮƽ��������˸�����˽��й���
ӢӢ����
n.
1. the quality of having great facility and competence
2. skillfulness in the command of fundamentals deriving from practice and familiarity