In general, highways are the worst place for hellos.

一般来说，高速公路是最不适合打招呼的地方。

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Just think of all the hellos, good-byes and other unnecessary chit-chat you avoided.

考虑一下忽略“你好”，“再见”和其它可有可无的闲聊。

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And, researchers say, pleasant environments generally evoke more reciprocal smiles and hellos than unpleasant ones.

研究者说，一般来说，令人愉快的环境引起相互的微笑和问候的机会比令人不愉快的环境更多。

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"Peters" become "Petes", "hellos" are "all right, mate", and a never-ending supply of bonhomie is on tap to put people at their ease.

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Steve Sinnott, general secretary of the National Union of Teachers, welcomed the increase in bursaries and golden hellos but said further changes were needed.

BBC: NEWS | UK | Education | Bigger golden hellos for teachers

"Thanks to bursaries and 'golden hellos' for maths teachers we have seen a large rise in recruitment of maths teachers over 2, 300 last year compared to 1, 400 in 2001, " it said in a statement.

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