subtract (v)
 /səbˈtrækt/

trừ đi

to remove a number from another number

disturb (v)
 /dɪˈstɜːb/ 

làm phiền

to interrupt what someone is doing

adjustment (n)
 /əˈdʒʌst.mənt/

sự điều chỉnh

a change in order to match

crucial (a)
 /ˈkruː.ʃəl/

then chốt

extremely significant or important

stockroom (n)
/ˈstɒkruːm/

nhà kho (để hàng hóa)

a room where products or materials are kept until they are needed

reflection (n)
 /rɪˈflek.ʃən/

sự phản ánh

something that clearly shows something

lack (v)
/læk/

thiếu

to not have any or enough of something, esp. something necessary or wanted

discrepancy (n)
/dɪˈskrep.ən.si/ 

sự khác biệt

a difference between things that should be the same

set aside (phrasal verb)
/set əˈsɑɪd/

để dành, dự trữ

to keep or save something from a larger amount or supply in order to use it later for a particular purpose

verify (v)
 /ˈver.ɪ.faɪ/

xác thực

to prove the truth of

quantity (n)
/ˈkwɑnt̮ət̮i/

số lượng

an amount or a number of something

tedious (a)
 /ˈtiː.di.əs/

tẻ nhạt, chán

boring and continuing for too long

full (a)
/fʊl/

đầy

containing or holding as much or as many as possible; having no empty space

liability (n)
/ˌlaɪ.əˈbɪl.ə.t̬i/

nghĩa vụ, trách nhiệm

the fact that someone is legally responsible for something

automatically (r)
/ˌɑː.t̬əˈmæt̬.ɪ.kəl.i/

một cách tự động

independently, without outside prompting

run (v)
 /rʌn/

vận hành

to (cause something to) operate

total (n)
/ˈtəʊ.təl/

tổng cộng

the amount that you get when you add several numbers or things together

load (v)
/loʊd/

chất, chở

to put a load onto or into something such as a vehicle or container

environmentally friendly (a)
/ɪnˌvaɪ.rən.ˈmen.təl ˈfrend.li/ 

thân thiện với môi trường

not harmful to the environment

scan (v)
 /skæn/

xem lướt qua

to look over quickly