As the platform clears I see her, standing behind the ticket barrier in a green coat, the lower part of her face buried in a navy scarf.

月台上人群渐渐散去，我看见了她，穿着绿色的大衣站在检票栏杆后面，脸的下半部埋在了深蓝色的头巾后面。

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But Dr Panja admits that while it can be seen as being a barrier to communication, some patients like to see the person treating them in a white coat.

BBC: Doctors