Other engineers are becoming more optimistic about the progress that Japanese engineers are making.
而其他工程师态度较为乐观。
Despite the slow progress, Dr High says she is optimistic about the future of gene therapy.
尽管进展缓慢,High博士说她对基因治疗的未来表示乐观。
Officials say they are cautiously optimistic about making progress.
官员们对取得的进展表示谨慎的乐观。
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