People that belong to these groups do not necessarily belong to any one social group for identification purposes; it may be only a matter of convenience.
属于这些群体的人并非必定出于认同的目的而属于任一社会群体。 这可能只是一种权宜之计而已。
2
To reduce confusion and as a service to aid in the unambiguous identification of trials, the ICTRP Search Portal attempts to bridge (group together) such multiple records about the same trial.
On Saturday Sinopec Group Beijing branch opened 24 Olympic-oriented gas stations, providing not only gasoline but also services like translation, emergency help and gasoline identification.