1.focus on 集中于,集中研究

Many of these funds only focus on longer dated futures contracts.
這些基金很多只關注期限較長的期貨合約。

Do entrepreneurs put enough focus on customer relationships?
創業者給予客戶關系的重視足夠嗎？

2.make sure 確保,確信

Finally, make sure you are living your life.
最后，確定正視自己的生活。

And we all had a tasting because we wanted to make sure people felt okay with that.
而且，我們都嘗了嘗，想確定所有人都滿意。

3.require to 要求

Drain piping may require to be protected against freezing.
泄水管要求有防凍保護措施。

These objects require to be quarantined on the spot.
這些物品需要進行現場檢疫。

4.relevant to 有關的

Thus far there are three preliminary stories relevant to the brain.
到現在為止有三個與大腦有關的表述。

And anyway, say employers, appearance is often relevant to the job at hand.
但不管怎樣，雇主們說，外表經常與手頭上的工作有關。