大计的英文：
a major programme of lasting importance

参考例句：

Transfer(a program,data,etc)from a large computer system to a smaller one
将(程序,资料等)从大计算机系统输入小计算机系统.

It is a matter of vital importance for maintaining prolonged stability of the Party and state
是党和国家长治久安的根本大计。

Welcome to join in partnership for business. and jointly strive for development.
欢迎搭伙经营，共图发财大计。

She had some grandiose(ie overambitious)plan to start up her own company.
她有个野心勃勃的大计画,想独立创办公司.

major是什么意思：
adj. 较大的，较多的；主要的；主修的；大调的
n. 成年人；陆军少校；主修科目；主修…的学生；大调
v. 主修科目，专业

narrow majority
勉强的多数

C major is the relative major of A minor.
C大调是相对于A小调的大音阶。

He is a mathematics major.
他是主修数学的学生。

programme是什么意思：
n. 节目；计划；节目单；程序
v. 制作节目；规划；预调；编程序；训练

a landscape programme
环境美化计划

hydrant programme
装设消防龙头计划

The next programme is introduced by David.
下一个节目由大卫主持。

lasting是什么意思：
adj. 持久的
v. last的现在分词

Their dictionary was printed last month.
他们的字典已于上个月出版发行。

That last remark was a hit at me.
最后的话是对我的讽刺。

Fortune smiled on him at last.
命运女神终於眷顾他了。