1.seek to 设法；企图，试图

Yet some expect him to seek to remove term limits.
可是，部分人士期望他设法废除任期限制。

And they seek to benefit from tiny operational changes.
他们也自生产流程的细微变更中寻求收益。

2.stay in touch with 保持联系

She vowed to stay in touch with friends by phone and email.
她郑重承诺会与朋友们保持电话和电子邮件联系。

Use discount promotional offers to stay in touch with past visitors to your site.
通过提供打折的促销活动与网站曾经的访问者保持联系。

3.turn into 变成,成为

Could all of this really turn into a full-fledged crisis?
所有这一切真的会变成一场完全的危机？

Could 2010 turn into 1994 or 2004 for the markets?
2010年的市场会变成1994或2004年的市场吗？

4.refer to 涉及；指的是

Symbols are signs that refer to the object by a convention.
标志是一种人们习惯性指代某种事物的符号。

Slowschools and slow education can refer to different aspects of education.
慢速学校和慢速教育可以指教育的不同方面。