phrase A2 used to talk about the present time, in comparison with the past: 现在，如今 Vegetarianism is very popular these days.现在素食很流行。 These days you have to be careful who you trust. Pretty much all restaurants have gluten-free options these days. You can't be too careful these days. These days, people expect that you'll tell them everything right away. See also
day
these days | American Dictionary
these days
idiom infmlnow: I used to talk to my sister every night. These days, we hardly speak to each other.