Of course one may add other may be unnecessary concerns - whether the world we live in are better for our kids than we do. We have enjoyed no world hot conflict for decades. Environment can be used and within our life time ... ba la ba la. Are our kids better ?
Or many things happened in the last several years challenge all our knowledge of society - trump and Brexit and the raise of communist china etc. We live in interesting time.
Just relearn swift (forget quit a bit after my iOS app on app story in 2015).
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Of course one may add other may be unnecessary concerns - whether the world we live in are better for our kids than we do. We have enjoyed no world hot conflict for decades. Environment can be used and within our life time ... ba la ba la. Are our kids better ?
Or many things happened in the last several years challenge all our knowledge of society - trump and Brexit and the raise of communist china etc. We live in interesting time.
Just relearn swift (forget quit a bit after my iOS app on app story in 2015).