It wasn 't immediately clear how extensive the walkout was .
尚不清楚罢工的规模如何。
The perils were illustrated by the walkout by african nations at the last round of negotiations in november , in protest at the lack of finance offered .
当时，非洲国家在最后一轮谈判中集体退席，抗议发达国家提供的资助不足。
With the walkout now in its second month , the costs to both sides are mounting .
现在罢工持续的第二个月里，双方的开支也正在增加。
Nearly 90 drivers continued the walkout tuesday , but all had returned to work by wednesday .
周二，有近90名司机继续罢工，但到周三时所有员工均重返工作岗位。
Union president peter esele denied reports the walkout is to begin wednesday .
