It means preventive controls were either not in place or not used effectively.

它表明预防控制措施没有到位，或者没有发挥好作用。

youdao

The kind of causal connection between the speaker and the object referred to (Neo) is just not in place.

说话者和被论及的事物（Neo）间的这种因果关系显然不合适。

youdao

We found that in many countries, the laws necessary to protect people are either not in place or are not comprehensive.

我们发现，在许多国家，对人们带来保护的必要法律要么不到位，要么不够全面。

youdao

Molin-Valdes says the problem in many developing countries is that even basic health facilities are not in place.

VOA: standard.2009.10.14

You don't face any facts. This same damned attitude of not facing facts is what got you into this messy state of mind in the first place, and it can't possibly get you out of it."

你没有面对现实，这个不面对现实的态度,在最开始就使你的心变乱了,也无法让你抽身出来“

耶鲁公开课 - 1945年后的美国小说课程节选

So that means it's not possible, if we've made these stipulations in the first place, to have a case where l equals 1.

这说明我们之前的假设,ｌ等于１不可能的。

麻省理工公开课 - 化学原理课程节选

Sophisticated machines to scan them are slow, underused and not in place at all U.S. airports.

CNN: Airports inconsistent on security, officials say

But during the CNN interview, Tulafono conceded that the system "was not in place" when the tsunami struck.

CNN: STORY HIGHLIGHTS

The college also says it is concerned mechanisms are not in place in the community to deal with demand.

BBC: 999 warning as A&E units across Wales under pressure