Ranh giới biểu tượng là gì? (What is symbolic boundary?)

US /ˈprɑsˌɛs, ˈproˌsɛs/

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UK /prə'ses/

US /ˈmɛntl/

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UK /ˈmentl/

US /ˈfɪzɪkəl/

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UK /ˈfɪzɪkl/

US /kənˈsɪdər /

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UK /kən'sɪdə(r)/