| 61. | the foundation of the national economy |
| 国民经济的基础
|
| 62. | lay the foundation (s) of one's career |
| 为事业奠定基础
|
| 63. | a nonprofit foundation |
| 非营利性的基金会
|
| 64. | a national research foundation |
| 国家研究基金会
|
| 65. | a rock foundation |
| 岩基
|
| 66. | a secure foundation |
| 牢固的基础；可靠的根据
|
| 67. | be built on a shaky foundation |
| 建立在不稳固的基础上
|
| 68. | a solid [firm, sound, strong] foundation |
| 牢固的基础
|
| 69. | a stone foundation |
| 石基
|
| 70. | build up a sound foundation in English |
| 打下扎实的英语基础
|