关于这一点，我们既没有完全的服务规范，也不知道服务参与者将会提供什么或者需要什么服务。
At this point, we don't have complete service specifications, nor do we know what service participants will provide or require what services.
在此期间，我注意到部分参与者的两种完全相反的态度。
During these events, I noticed two types of diametrically-opposed attitudes on the part of participants.
但这可能与准确测量参与调查的人的咖啡和茶摄取量的难度有关，因为调查基础完全是参与者自己报告的数据。
But it may be related to difficulties in precisely measuring study participants' coffee and tea intake, which was dependent on self-reports.
应用推荐