The system was introduced on a trial basis for one month.
这个制度已引进试行一个月。
Have you read this month's 'Physics World'?
你看过这个月的《物理世界》吗？
The new computer system comes on stream next month.
新的计算机系统下月投入使用。
The magazine will appear in a new design from next month.
从下月起这本杂志将以新的.设计问世。
The plans are still no further forward than they were last month.
计划无丝毫进展，仍是上个月的老样子。