The problem of illiteracy is a serious social issue around the world.

His behavior is illogical and incomprehensible.

His behavior was illogical and I couldn't understand it.

This problem requires solving a nonlinear equation.

According to the law on specified alien species, the import of certain organisms is prohibited.

She is good at drawing charcoal drawings.

She got into bed wearing her new small nightwear.

I found an Asian comma in the park.

He wrote a touching dedication in the book for me.

Please come this way.