Foreign tourists are definitely expected to leave some kind of tip for service-as long as you're in a high tourist traffic area, like Prague for instance.

服务员当然期望外国游客能够支付服务费——只要你是在游客聚集区，比如布拉格。

youdao

It calls for training and counseling for families of service members who require long-term care and improved family leave and insurance benefits for family members.

NPR: Veterans React to Report on Care