Yet,I feel that I cannot go on living forever.

VOA: special.2010.07.10

Computers smart though they may be and intimidating though they may be, they cannot yet think for themselves.

计算机可能是智能的,也可能是可怕的，但计算机还不具备自我思考的能力。

哈佛公开课 - 计算机科学课程节选

But Indian Prime Minister Manmohan Singh has repeatedly told foreign delegates that his country cannot yet say how far it can go.

VOA: standard.2009.11.27