Although "only" and "only" can both mean uniqueness, from the perspective of grammatical structure, frequency of usage and sense of language, "only" is more universal, while "only" is more obvious. Formal and literary.

From a grammatical structure point of view, "only" is an adjective that is often used to modify nouns to express uniqueness. For example, "He is the only leader in this group" indicates that he is the only one in the leadership position in the entire group.

And "only" is more commonly used as a conjunction to introduce an independent claim or emphasize the components of a sentence, indicating the only and only one. For example, in "The only way is to study hard", "only" emphasizes that studying hard is the only way.

From the perspective of word preference and sense of language, "only" is more common, more universal, and suitable for various occasions, while "only" appears more formal and literary, and is used relatively rarely. In spoken language and daily communication, people tend to use "only" to express a unique concept.

"UNIQUE" may be more flexible and can directly modify a noun, while "UNIQUE" is more commonly used to emphasize and accentuate the tone, making the sentence appear more formal or emphasizing uniqueness.

Only and only in a sentence

1. Only in a sentence

1. There is a unique lighthouse on this island, which provides a unique lighthouse for sailing ships. Navigation signals.

2. In the entire ancient village, she is the only young woman who can play the guzheng.

3. This limited edition watch is his birthday gift because it is the only customized model in the world.

4. In this primitive forest, we found a unique plant, and scientists conducted in-depth research on it.

5. This book is the writer's only novel, but it has left a profound literary impact.

2. The only one in a sentence

1. In the entire art exhibition, this abstract painting was the only one that aroused widespread discussion among the audience.

2. His hard work and perseverance made him the only double MVP winner on the team.

3. This ancient castle is the only historic site in this town, attracting many tourists to visit.

4. In this scientific research team, she is the only researcher with a Ph.D.

5. This artist has created a series of unique ceramic works with his unique style and techniques.