<p>You are truly an expert. I know about the usage of &ldquo;we&rdquo; and &ldquo;I&rdquo; and think that at least &ldquo;we&rdquo; should be allowed, suggesting a collective effort in research to move the human race forward.</p>
<p>Only in research is the passive tense so widely used.</p>
<p>Anyway,</p>
<p><strong>Original</strong></p>
<p>&hellip;uncontrolled and improper disposal of nano-TiO<sub>2</sub>&nbsp;products would raise pollution issues, thereby it is urgently encouraged to develop safe nano-products and disposal methods and control the intentional and unintentional releases of nano-TiO<sub>2</sub>&nbsp;particles.</p>
<p><strong>Suggestion</strong></p>
<p>&hellip;&hellip;uncontrolled and improper disposal of nano-TiO<sub>2</sub>&nbsp;products would raise pollution issues, and therefore the development of safe nano-products and disposal methods to control the intentional and unintentional releases of nano-TiO<sub>2</sub>&nbsp;particles is urgently encouraged.</p>
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