what do you think is the biggest challenge for the post'90 g

Responsibility
提纲：
1.1
So many challenges for the post'90 generation,but the biggest challenge for the post'90 generation .
1.2
the
responsibility for themselves.
the
responsibility for family
the
responsibility for our motherland.
1.3 summary
it's high time that we took on our responsibilities.
只是提纲,