2. This is one reason while (why) early intervention is important. ��������ڸ�Ԥ�dz���Ҫ��ԭ��֮һ��
3. Maybe your child wants guidance, ideas, support, or intervention. Ҳ��������Ҫָ�����뷨��֧�ֻ��Ԥ��
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n.
1. the act of intervening (as to mediate a dispute)
2. a policy of intervening in the affairs of other countries
3. (law) a proceeding that permits a person to enter into a lawsuit already in progress; admission of p