Serious eye strain can lead to persistent headaches, muscle pain in the head, neck and upper back, as well as long term problems like myopia.

严重的眼疲劳会导致长期的头痛，头部，颈部和上发背的肌肉疼痛，也可能会引起一个长期的问题近视。

youdao

I believe that as long as we can, like Forrest Gump with no ideas and personal considerations, to deal with persistent everything, then our tomorrow will be bright!

我坚信，只要我们尽全力，就像阿甘一样，契而不懈，我们就会拥有光明的明天！

youdao

And countries with persistent surpluses could revalue their currency, as long as the IMF agreed that the balance of payments were in "fundamental disequilibria".

持续盈余的国家，本国货币升值，只要IMF同意，国际收支中的“根本性失衡”。

youdao

And for the first time, plants using the worst chemicals--substances such as mercury, labeled persistent bioaccumulative toxins--would be able to use the short form, so long as they use less than 500 pounds of that chemical and release none into the environment.

FORBES: Toxic Neighbors?