Zhè / jiā / gōngsī / bùnéng / dān / dǎ / yī / yīnggāi / tóngshí / kāituò / guónèi / wài / shìchǎng

这家公司不能单打一，应该同时开拓国内外市场。

The company should not rely on a single approach; it should develop both domestic and international markets.