these days是什么时态的时间标志词

These days, people appreciate a chance to relax.

目前人们很珍惜能放松的机会。

The café seems to be her home away from home these days.

这些天来，咖啡馆似乎成了她的第二个家。

There's an increased demand for organic produce these days.

目前对有机农产品有更大的需求。