对许多人来说，邮局是与外界联系的惟一纽带。

For many, the post office is the only link with the outside world.

《柯林斯英汉双解大词典》

她从床上爬起来，坐到办公桌前，到浴室洗澡，又爬上床睡觉，除了跟自己的九个孩子有电话联系外，避免一切外界联系。

She goes from bed, to desk, to bath, to bed, avoiding all contact aside from phone calls with her nine children.

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没有电话和手机，就失去了与外界联系的方法。

Without fixed phone and cell phone, they lost contact with outside world entirely.

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