All volunteers first go through orientation sessions, which are followed with one of three more specific training tracks: horticulture, "Ambassadors," and animal care.
所有的志愿者先要通过新成员训练，然后再在三种特殊训练规划(园艺、“大使”和动物照料)中选择一种。
2
With regards to your question, the patterns in this catalog have one specific context in common and that is service-orientation.
至于你的问题，该目录中的模式都有一个共同的上下文，即面向服务。
3
Allow users to physically rotate the device to correctly view the parts of your application's user interface that require a specificorientation.