Từ vựng
ability — She has the ability to solve complex problems quickly. — /əˈbɪləti/ — khả năng, năng lực — noun
cease — The company ceased operations after the financial crisis. — /siːs/ — ngừng, chấm dứt — verb
infirmity — Old age often brings with it some degree of infirmity. — /ɪnˈfɜːrməti/ — sự yếu đuối, bệnh tật (thường do tuổi cao) — noun
sufficient — There is sufficient evidence to support the claim. — /səˈfɪʃnt/ — đủ, đầy đủ — adjective