- 
				           		很多人种学实地研究致力于此,但是依旧总是出现一些观测偏差。
						        					            	 Many ethnographic field studies attempt to do this, though there are always some observation biases.
								    										 
								    				            	 youdao 
- 
				           		很多人种学实地研究致力于此,但是依旧总是出现一些观测偏差。
						        					            	 Many ethnographic field studies attempt to do this, though there are always some observation biases.
								    										 
								    				            	 youdao