"make an important observation" is correct and can be used in written English.
It can be used when discussing a situation or topic and emphasizing the significance of a particular observation. For example: "The scientist made an important observation about the behavior of the new species of bird." "In his essay, the author makes several important observations about the effects of climate change on local ecosystems." "When analyzing data, it is important to make note of any significant patterns or trends, as these observations can greatly impact the results."
The Deetzes also make an important observation about the absence of log cabins in Plymouth: "This is yet another small part of the Pilgrim Myth, and as is the case of the other parts of this story, it reflected widely held ideas about the American past," they write, "in which log cabins symbolized the spirit of the pioneers, and how humble beginnings can sometimes lead to greater things".
3) The authors make an important observation in their studies of CD34+ precursors.
Several years ago, the great historian Bernard Lewis made an important observation about the destiny of nations.
Initially, Professor Cornell makes an important observation about the nature of the employment relationship that deserves more attention from the legal community.
During the fifties, while doing research at the National Institutes of Health in Bethesda, MD, Dr. Burns made an important observation, which explains why scurvy developed in humans on a Vitamin C free diet.
Araki and Zillessen made an important observation that has shaped our association of increased lactate levels and tissue hypoxia.
Resta et al. [6] made an important observation with regard to the dependence of the relative benefits of increasing channel reliability on traffic condition.
A former Russian foreign minister made an important observation, America is like a big business that decided it doesnt need a PR department.
Much of Campen's work studies the brain, but he makes an important observation about what happens outside of our heads.
The authors made an important observation that an admission control algorithm that employs delay predictions as a threshold for call admission achieves, in theory, better channel utilization than those based on throughput parameter [24].
In fact, they're common in many marine animals, and now scientists believe they've made an important observation about how critters know the time for a change has come.
