not expensive (phải chăng, vừa túi tiền)
affordable
having new advanced features or ideas (trước thời đại)
ahead of its time
able to be used together (hợp nhau, tương thích)
compatible
old-fashioned in your ideas, methods, etc. (lạc hậu)
behind the times
the disadvantages (mặt tiêu cực)
cons
to solve a problem (giải quyết)
deal with
an aircraft without a pilot, controlled from the ground, used for taking photographs, dropping bombs, delivering goods, etc. (máy bay không người lái)
drone
using new ideas, ways of doing something, etc. (cách tân, có tính đổi mới)
innovative
the advantages (lợi ích, điểm mạnh)
pros
a new part to replace a broken part of a car, machine, etc. (phụ tùng thay thế, đồ thay thế)
spare part
the quality of being appropriate for a particular purpose (tính thích hợp, sự phù hợp)
suitability
having been used or relied on in the past successfully (đã được thử nghiệm)
tried and tested
to start using a new and better version of a machine, system, etc. (nâng cấp)
upgrade
