1. Mercury has become ubiquitous in our environment: in fish and other foods, water, and air. �������ǵĻ����е������ڣ����������ʳ���ˮ�Ϳ����
2. And this change raises the question of how much privacy people can expect��or even desire��in an age of ubiquitous networking. ����ı�������һ�����⣺�������·ʢ�е����������ǿ��������������������ж�����˽��
3. In the West, ubiquitous computing is controversial idea that raises privacy concerns and the specter of a surveillance society. ���������ձ���ڼ��������������Թ��ĺͼ������������һ����������뷨��