Secondly, I think the shirt can be unbuttoned, and then a solid color T-shirt can be put inside. It is best to choose a white T-shirt, but this should also take into account the color of the shirt. Usually a white T-shirt is more versatile, no matter what color the shirt is, white can hold it.
Oversize shirts are also a good choice. In spring and autumn, you can consider matching sweaters and pullovers with shirts. This collocation tends to be younger. Of course, everyone can try something that makes you look very young and beautiful as a whole. Wearing a sweater or a round neck sweater outside the shirt is also a good choice. In the past two years, this collocation has really been sought after by everyone.