Though "easy" may be welcome, unluckily it's of little use for any long time development of reading skills and the general language level.

虽然“简单”可能是受欢迎的，但不幸的是，它对长期发展阅读技能和一般语言水平几乎没有用处。

youdao

It has long been known that the level of serum iron in animals falls during infection.

人们早就知道，在感染期间，动物的血清铁水平会下降。

youdao

Numerous studies have now found that when classroom material is made harder to absorb, pupils retain more of it over the long term, and understand it on a deeper level.

如今有大量研究发现，当课堂材料变得更加难以消化时，长期来看学生们会记住更多的材料，对其理解也更加深入。

youdao

Now,he thinks short is better. "I've gotten researchers telling me that you don't realize is how long someone can have a high level of concentration.

VOA: standard.2010.03.26

Even though the deposits are short-term and the depositor can get the money at any time, the depositor is earning interest of a level that can only be made on long-term loans.

即使是短期存款,存款人可以随时取走存款,存款人也可获取仅从长期贷款中,才可得到的利息水平

耶鲁公开课 - 金融市场课程节选

But in fact academic studies have shown that this is wrong-footed and that in the long run by not having a level playing field, by not building systems, by not creating competitive markets you are actually undermining development and you are undermining economic growth and you are taking away the trust of potential investors."

VOA: standard.2009.11.17

You will out-work anybody, as long as the level -- as long as the playing field is level.

WHITEHOUSE: President Obama Speaks On Promoting American Manufacturing and Exports | The White House

Grinding in old areas without a big XP bonus at the end takes FAR too long to level, and I think the game could benefit from more sidequests that are a different format to help with leveling for the main story.

FORBES: Cleaving a Path Through the Guild Wars 2 Beta

Even if you disagree with my strategy you can still make money by using my concept of using GTC Limit Orders to buy weakness to a value level to become more long or less short, or to sell strength to a risky level to become less long or more short.

FORBES: Buy and Trade Beats Buy and Hold