Correct

短不了

/ duǎn bùle / 
Strokes

Example

As a Verb

cannot do without

1
Jīngjì
经济
shèhuì
社会
fāzhǎn
发展
duǎn
短
bù
不
le
了
zhīshifènzǐ
知识分子
  
。

Educated people are indispensable to economic and social development.

2
Dòngwù
动物
duǎn
短
bù
不
le
了
kōngqì
空气
  
。

Animals cannot do without air.

As a Verb

cannot avoid; have to

3
Shuāngfāng
双方
duǎn
短
bù
不
le
了
yào
要
yǒu
有
yī
一
pān
番
jīliè
激烈
de
的
zhēnglùn
争论
  
。

Inevitably, there will be a heated argument/debate between the two parties.

4
Zhècì
这次
tánpàn
谈判
tāliǎ
他俩
duǎn
短
bù
不
le
了
yào
要
chǎojià
吵架
  
。

Most likely, these two men will quarrel at the negotiations.