Trắc nghiệm Tiếng Anh Toeic - Part 6 Test (Đề 2)

"This will be a major __(2)__ for commercial airline fleets," says Mel Laveau, Nylobe's CEO. "The sensor will decrease both labor and maintenance costs without being too expensive."

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"This will be a major __(2)__ for commercial airline fleets," says Mel Laveau, Nylobe's CEO.

balance

examination

expectation

asset

Giải thích

Chọn đáp án D