This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
比如希望在后台执行trace命令，那么调用下面命令
`trace demo.MathGame primeFactors &`{{execute T2}}
这时命令在后台执行，可以在console中继续执行其他命令。