keep a term

例句：

1. 1. The old houseneeds to be kept in good condition.
   这所老房子需要保持良好状态。
2. 2. Weneed to keep the peace between our families.
   我们需要保持我们家庭之间的和平。
3. 3. The companyis keeping a close eye on the markettrends.
   这家公司正在密切关注市场趋势。