英语翻译随着改革开放,我国的经济飞速迅猛发展,国际收支规模和结构发生很大变化,自从1999年以来,我国的国际收支经常出现失衡现象,同时,这种现象还在一直继续并扩大,这是值得我们去思考和研究的.

Alone with the reform and opening up of China, our economy has been great developed and the scale and structure of international payments has been changed a lot. Since 1999,China's international payment has always become imbalant. Meanwhile, this phenomenon is continuing and the imbalance is expanding. That worth our thinking and researching.
拙翻，希望对你有帮助哈。

As the reform and opening up, China's rapid economic development, great changes in the size and structure of the balance of payments, since 1999, appear frequently in China's balance of payments imbalances, and at the same time, this phenomenon also has to continue and expand, this is deserving of our consideration and study.

As the reform and opening up,china‘s economy is developing rapidly.The size and structure of the payment's balance has changed dramatically.Since 1999,our country's international payment can't keep b...

As the reform and opening up, our country's economy is developing fast,the size and structure of the payment's balance has changed dramatically. Since 1999, our country's payment is often imbalance，at the same time, this phenomenon is still happening and expanding. This is worth to be thought and researched.
为了让句子通顺小小地修改了一些地方，但总体意思还是不变的。