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🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
Give me a discount!
打个折吧！
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。