Có ý kiến cho rằng: "Từ vựng của một ngôn ngữ là một hệ thống hở". Em suy nghĩ sao về ý kiến này?

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.

many citizens are in danger of contracting a food-borne illness.

more people are living with chronic illnesses.

pathogens are becoming stronger and harder to defeat.

edge nuity

answerpseudo forgetting;