How to make there is no border between 2 td? _html/css_WEB-ITnose

Now I want 1 and 2 to have no direct border. Using border-right:0px does not work. Is there any way to eliminate the border between 1 and 2?

 <table border="1" width="300" style="border-collapse: collapse;">  <tr >	<td style="border-right:0px">1</td>	<td>2</td>	<td>3</td>	<td>4</td>  </tr>  </table>

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It turns out that the left side also needs to be set, thank you very much.