1.   This led to an increase in urban employment opportunities and the expanding workforce gave rise to a greater demand for food.

2.   Unemployment traditionally lags other economic indicators in a recovery and it will take some time before firms feel sure enough of the trend to consider expanding workforces again.

3.   Goldman has been looking for about a year for more space to house its expanding workforce.

4.   The investment bank has been looking for about a year for more space to house its expanding workforce.