1.keep up with 追上,赶上

Even well-established companies can scarcely keep up with demand.
即便是知名企业，也很难跟上此种需求K.*X=v3)Vqy_。

The older generation who cannot keep up with emails still prefer to use fax machines.
没能跟上使用电邮的步伐的老年人仍然喜欢使用传真机.x__pI^CYsgTL。
2.account for 导致，引起

Do women account for more of today's affairs?
如今女性在婚外情中所占比例是不是更大？

Philosophers had long wondered how to account for essences.
长期以来，哲学家们困惑于如何说明这些本质GmEZ*ENLz,OoU-X。

3.seem to 似乎

Historical venture returns seem to bear that out.
历史风投回报率似乎证明了这一点hW1aPqTA@x@.8uHO。

Europe's troubles seem to be costing them business.
欧洲危机看来正在影响到当地的业务2tEG|6|=TkPN;i^Uj。

4.response to 对…的反应

The response to similar actions was markedly different 11 years ago.
11年前人们对此类事件的反应和今天大相径庭qJP!s3Jra+)YK]85x5at。

What's your response to the criticism?
您怎么回应受到的那些批评？