The system was introduced on a trial basis for one month.

　　這個(gè)制度已引進(jìn)試行一個(gè)月。

　　Have you read this month's 'Physics World'?

　　你看過(guò)這個(gè)月的《物理世界》嗎？

　　The new computer system comes on stream next month.

　　新的計算機系統下月投入使用。

　　The magazine will appear in a new design from next month.

　　從下月起這本雜志將以新的設計問(wèn)世。

　　The plans are still no further forward than they were last month.

　　計劃無(wú)絲毫進(jìn)展，仍是上個(gè)月的老樣子。