b2b只能用中英文嘛？

一、b2b只能用中英文嘛？

是的，一般只支持中英文，也有个别专门做小语种的b2b

二、博物馆要求参观的游客不得在馆内拍照。用英文怎么说？

the museum requests the tourists not to take photos in the hall. the journalist asked the writer who did he based the character on. she said,i would wear a red coat so that you can recognize me. we have lots of work to do ,so that we should make full use of time. he went newyork straightly and did not stay in hongkong. the city rains frequently in early summer.