目前国内没有权威的的认证机构，对“差旅顾问”这个行业也没有相关的法规，而对“职称鉴定”大多是从业者，或旅行社对“导游”的称谓。
通过延伸到世界各地的差旅管理服务，易信达提供驻扎在每个区域的专业差旅顾问和市场上最全最好的差旅资源。
With travel management services that extend worldwide, Egencia provides regionally-based expert travel consultants and comprehensive access to the best available travel inventory.
然而，购买者和旅游咨询顾问，尤其是占主导地位的买家一方，对于今年将有许多差旅计划采用无上限的动态定价模式持怀疑态度。
Buyers and consultants, however, remain doubtful that many travel programs will adopt a non-capped, dynamically priced program this year, particularly with buyers in the power seat.
对应的是聘请律师费用、（注册）会计师、专业顾问费用及其相关的差旅费用。
This item includes the cost of retaining attorney, public accountants, and professional consultants, includes associated travel expenses.
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