nowadays的同义短语有：

at present

in this day and age

currently

in contemporary society

in present-day society

Nowadays we say someone is 'speech-impaired', not dumb.

现在我们说某个人“有语言障碍”，而不说是哑巴。

Nowadays most kids prefer watching TV to reading.

现在大多数孩子都喜欢看电视而不喜欢读书。

Nowadays a lot of people work from home.

如今有很多人在家工作。