a squad of players that are available either individually or as a team to relieve or replace the players who started the game
双语例句
He had a second string to his bow, so when he lost his job as a toolmaker he became a gardener. 他做了两手准备，当地作为机床维修工的工作失业后，便当上了园丁。
I'll just job down that telephone number. We have a baby-sister that can usually come but it does no harm to have a second string. 我要记下那个电话号码。我们请的照看宝宝临时工一般会来，不过有第二个供选择的人是不会有害处的。
A young man who learns two trades has a second string to his bow, so he is unlikely to be out if work for long. 一个年轻人学会两种行业就有了两手准备，他就不大会长期失业。
