national boundary; 国境
deport; 驱逐出境
enemy territory; 敌境
like entering an unpeopled land; meeting no resistance; 如入无人之境
miserable condition; tragic circumstances; 惨境
family financial situation; family circumstances; 家境
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)