常见例句用作名詞 (n.)Lerch fears that a significant, permanent reduction in the numbers of visas for scientists and engineers could cause a long-term downturn in the economy.勒奇擔心，明顯且持續減少發出簽証給外國科學家及工程師，將造成美國經濟長期走下坡。 返回 Lerch