telework, ออนไลน์, แล็ปท็อป, เทคโนโลยี, การทำงาน, ธุรกิจ, การสื่อสาร, คอมพิวเตอร์, แผนภาพ, แสดง, อีเมล
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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