The phrase "active in the trade" is correct and usable in written English.
It can be used to describe someone who is currently engaged or involved in a particular profession or industry.
Example: "She has been active in the trade for over a decade, consistently contributing to innovative projects."
Alternatives: "engaged in the industry" or "involved in the profession."
In 1948 she met Eric, a postal worker active in the trade unions.
He said his team could be active in the trade market, buying or selling, as long as it does not disrupt the team's plans for 2010.
United had rolled along unremarkably for the first half of the year, but then began to suddenly get active in the trade market to remarkable effect.
Mike Tannenbaum, the Jets general manager, was expected to be active in the trade market, since the Jets are considerably hamstrung by the rules for an uncapped season because they advanced to the A.F.C. championship.
While Alderson indicated that the Mets could be active in the trade market this off-season — he identified power bats as the team's main need — he said significant free-agent acquisitions were probably unrealistic.
The 51-year-old was active in the trade union movement and was a senior elected official with the Civil and Public Services Association then later the Public and Commercial Services Union.
A host of NGOs active in fighting the trade will participate, along with a youth delegate from Nepal.
He soon became active in the trade-union movement, attaining positions of union leadership and gaining recognition as a skilled negotiator.
But the rank and file, often active in the trade-union movement, is blocking labour-market reform, and chafing at an orthodox economic policy that it sees as too harsh on the poor and unemployed.
Although both worked for a short time in education, by the early 1980s they had become active in Solidarity, the trade union movement headed by Lech Wałęsa.
After a short time working in education, the brothers had by the early 1980s become active in Solidarity, the trade union movement headed by Lech Wałęsa.
