English study's tips

1 How awful.                                       It's too bad.

   I'm sorry to hear that.                        I know how you feel.

   It doesn't sound good.                        It sound terrible.

   I can sympathize.                       这些短语用来表示同情，理解.

2 I'm worried that.. .                          I'm concerned that...

   I'm afraid that                             表示关心

3 may might can should must  can't 

  50%   50%  30-70% 80%  95%  95%

百分比表示可能性,can't可能性也是非常高，和can不一样，

4 emergency 紧急情况  emerging 新兴的 ，不要搞混了

It's a emerging technology.