effective collector

例句：

1. 1. The new software isvery effective at solving complex problems.
   这款新软件在解决复杂问题方面非常有效。
2. 2.The manager's suggestion was very effectivein improving the team's productivity.
   经理的建议在提高团队生产力方面非常有效。
3. 3.The new policy is expected to be veryeffective in reducing traffic congestion.
   预计这项新政策在减少交通拥堵方面将非常有效。