买进口食品而不买本地食品

Both questions are answered with a clear main reason (cost) and a plausible solution (consumer education), supported by a relevant extended example, though the solutions section is developed less fully than the causes.

Ideas progress logically across well-structured paragraphs with effective referencing and cohesive devices, with only occasional lapses such as an imprecise closing phrase.

Vocabulary is sufficiently flexible and precise, with useful topic language such as trade networks and counterintuitive. Minor weaknesses include changer for change and the vague expression want these goods in his life.

A wide range of complex structures is used with generally good control, including conditionals and relative clauses, with occasional errors that do not impede understanding.

Both questions are directly and fully addressed, with a clear position in the conclusion and ideas supported by relevant explanation and examples.

Ideas are logically organised across clear paragraphs with a wide range of cohesive devices used naturally to achieve smooth progression.

Vocabulary is flexible and generally precise, including economies of scale and purchasing power. However, stretch their purchasing power and brand recognition incorrectly makes one verb govern incompatible objects, and some phrasing is formulaic.

A wide range of grammatical structures is used with flexibility and accuracy, and errors are rare and minor.