越来越多人聘请私人健身教练

The essay addresses both parts of the task with a clear position, develops two reasons and two benefits logically, and supports them with relevant examples, though development is solid rather than extended to full depth.

Ideas are organised logically across clear paragraphs with effective use of cohesive devices, although linking is occasionally mechanical and the range of referencing is somewhat limited.

Vocabulary is sufficiently flexible and precise for the topic, with some less common items like disposable income and lucrative sector, but occasional slightly unnatural collocations remain.

A variety of sentence structures, including complex forms, is used with good control and only minor errors that do not impede communication.

The response addresses both questions fully, presents a clear and consistent positive position, and develops main ideas with relevant explanation, though the range of reasons remains somewhat limited.

Ideas progress logically across well-organised paragraphs with a range of cohesive devices used naturally, with only slight over-reliance on repetition of ideas between sections.

Vocabulary is flexible and precise, featuring less common items such as 'meticulously', 'affords', and 'pivotal', used with generally strong collocational control.

A wide range of complex structures is used with good flexibility and accuracy, with only minor, non-impeding slips such as occasional slightly wordy phrasing.

The response presents a clear position on the trend, but the reasons why people hire personal trainers are underdeveloped, with more focus given to evaluating benefits and drawbacks than explaining causes.

Ideas are organized logically into clear paragraphs with effective use of cohesive devices, and progression throughout is easy to follow.

Vocabulary is flexible and mostly precise, with natural collocations around fitness and access, though expression occasionally stays within familiar phrasing.

A wide range of sentence structures, including complex forms, is used with good control and only minor, non-impeding errors.