不过李的平均成绩是“A”，他说他不得不花费许多时间提高写作和口语。

While Li has an "a" average, he has had to "spend much time" improving his writing and speaking, he said.

youdao

东方航空称，过去五年中国航空业的客运量平均每年增长17%，但李丰华承认公司的财务业绩却没跟上。

Passenger traffic in China has grown by an annual average of 17% over the past five years, China Eastern says, but the carrier's financial performance has failed to keep pace, Mr.

youdao

东方航空称，过去五年中国航空业的客运量平均每年增长17%，但李丰华承认公司的财务业绩却没跟上。

Passenger traffic in China has grown by an annual average of 17% over the past five years, China Eastern says, but the carrier's financial performance has failed to keep pace, Mr. Li acknowledged.

youdao