The phrase "activity we need to" is correct and usable in written English.
It can be used when discussing tasks or actions that are necessary or required in a particular context.
Example: "The activity we need to focus on this quarter is improving customer engagement."
Alternatives: "task we must" or "action we should".
If we want to increase physical activity, we need to work on making biking and walking safe for all.
While cycling is a relatively safe activity, we need to continue to make our streets safer for people on bikes and increase people's perception of safety.
With garbage piling up, CO2 in the atmosphere causing acidification of the oceans, deforestation and many other not so good things happening that is 100% related to human activity, we need to take steps to minimize our impact on nature.
"And if people were participating in any type of fraudulent activity we need to expose it and they need to be brought to justice and we need to get our money back".
Gavin Krugel, vice-president, emerging market digital, Visa, Cape Town, South Africa Get people in the door: Before we can get the poor to digitally record their economic activity, we need to get them into the system in the first place.
In this activity, we need to define which questions we want to answer.
As the activity was considered to be associated with these small particles, this led us to conclude that for optimum activity we needed to find a method to fabricate such particles.
In trying to make sense of these activities, we need to separate out short-term panic from long-term strategy.
In order to capture today's campus activities, we need to think more broadly about collecting student-created material.
To obtain the whole picture of children's physical activities we need to study the PA design of children and their peers.
For each pair of video activities, we need to measure the similarity between them.
