You'll want to remember to use the more explicit curly-brace form when your environment variable is not isolated from the surrounding text by whitespace (Spaces or tabs).
请记住：当环境变量没有用空白(空格或制表键)与周围文本分开时，请使用更明确的花括号形式。
You can then brace your spare foot against the wall to form a stable tripod.
然后把你空着的另外一只脚撑住岩壁形成一个稳定的三角。
The grand staff is formed by the joining of two staves by a vertical line, brace or bracket at the left, to form one system.
大谱表由左端用垂直线与花括号连接起来的两个五线谱组成。
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