Many of the strongly opportunistic plants are the common weeds of fields and gardens.
许多非常机会主义的植物都是田野和花园中常见的杂草。
2
These kinds of systems are primarily designed to protect against the sort of opportunistic smash and grab attack that makes up the majority of burglaries.
这类系统主要用来防止投机取巧和掠夺，这造成了大多数入室盗窃。
3
At the end of the day, these kinds of systems are primarily designed to protect against the sort of opportunistic smash-and-grab attack that makes up the majority of burglaries.