communication ָ�ʵ硢���ߵ硢��·����·�ȸ��ֽ�ͨ��ʽ��ý�顣 traffic ָ�����Ķ������������ʾһ�ֳ������Ľ�ͨ�������� transportation ָ���˿ͻ�����һ���˵���һ����Ҳ��ָ��ͨ���乤�ߡ�
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1. Package and transportation plans of equipment. �豸�İ�װ������ƻ���
2. We need to recycle our trash and use public transportation more often. ���DZ��뽫�����������ã�����ʹ�ô������乤�ߡ�
3. I agree. We need to recycle our trash and use public transportation more often. ����ͬ�����DZ��뽫�����������ã�����ʹ�ô������乤�ߡ�
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n.
1. a facility consisting of the means and equipment necessary for the movement of passengers or goods
2. the act of moving something from one location to another
3. the sum charged for riding in a public conveyance
4. the United States federal department that institutes and coordinates national transportation program
5. the commercial enterprise of moving goods and materials
6. the act of expelling a person from their native land
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transportation ����;
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Water transportation ˮ������;
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