I am here for a purpose and that purpose is to grow into a mountain, not to shrink to a grain of sand.

我来的目的是要成为一座山，而不是退缩成一粒沙子。

youdao

The sand coming from the layer is blocked around the sand control pipe when the water injection well is closed, therefore the purpose of control sands can been attained;

注水井停注时，地层外吐砂就会被金属毡阻隔在滤砂管周围，达到防砂目的。

youdao

And I am not on this earth by chance. I am here for a purpose and that purpose is to grow into a mountain, not to shrink to a grain of sand.

我来到地球并不是偶然，而是带有目的性，我的目的就是成为一座山，不退缩。

youdao

One purpose of fracking fluids is to help the sand flow into newly formed fissures and keep them propped open.

NPR: Judge Sides With Wyoming In Fracking Chemical Suit

But on this point Iannelli is not convinced: "At the moment, solar panels are not fit for purpose in the UAE ... the dust and the sand in the atmosphere prevent (sun) rays from hitting the panels efficiently ... and the high temperatures also reduce performance, " he says.

CNN: Counting the carbon cost of bringing water to the desert