A (trade center) may pertain-to a country.Logical formLearned from36 sentences. An area may become a center.Logical formLearned from36 sentences. A center can be convenient.Logical formLearned from36 sentences. (Research centers) can be in a country.Logical formLearned from36 sentences. A center can be for an area.Logical formLearned from36 sentences. A town may become a center.Logical formLearned from36 sentences. Technical-assistance centers can be regional.Logical formLearned from36 sentences. Centers can be collaborative.Logical formLearned from36 sentences. Centers may undergo construction.Logical formLearned from36 sentences. A center may open doors.Logical formLearned from36 sentences. A center can be accredited.Logical formLearned from36 sentences. A center can be constituted-of-or-filled-with thought.Logical formLearned from36 sentences. A center may be funded.Logical formLearned from36 sentences. Home can be to a center.Logical formLearned from36 sentences. A center can be for goods.Logical formLearned from36 sentences.