restrict to(v.+prep.)
把…限制〔控制,保持〕在…limit〔control, keep〕 sth to a place or level
▲restrict oneself/sth to sth
He restricted himself to five cigarettes a day.他约束自己每天只抽五支烟。
◇ 用于be ~ed结构
The reports are restricted to descriptions and give no opinions about the facts.那些报道只限于记录事实,而未加以任何评论。