Asian man in suit businessman waiting in the cafe their food

restaurant waiter japan business using phone korean ethnicity finance japanese ethnicity button down shirt mobile phone korea telephone east east asian ethnicity suit men economy time people chinese ethnicity technology shirt ordering smart phone tuxedo east asia intelligence waiting china urgency adults only child adult headset communication effortless tourism 4k waitress anxiety city lifestyles emotional stress rudeness males russia smiling tourist shirtless wireless only boys children only human nervous system