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have a background in | |||
be in the business (Caithey) | |||
specialize in (проектирования; the design) | |||
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make a speciality of; make a speciality; make a specialty | |||
specialize in some branch |
специализироваться в области: 3 phrases in 2 subjects |
General | 1 |
Makarov | 2 |